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A Rare Variation of the Retro-Aortic Left Renal Vein with Anastomotic Afluent from Inferior Mesenteric Vein International Journal of Morphology
Andrade,F. M.; Rocha,R. P.; Pereira,H. M.; Fernandes,R. M. P.; Babinski,M. A..
We report an uncommon anatomical variations of the left renal vein was found on dissected specimen in an elderly male cadaver: a retroaortic left renal vein. No other vascular anomalies were noted in this specimen. The anomaly result may be related to a particular pattern of left inferior vena cava. The abnormality have to be known for it may be undetected or be misleading in imaging. This anatomical curiosity should be kept in mind by clinicians and academics that may manipulate this anatomical area
Tipo: Journal article Palavras-chave: Anatomy; Anomalies; Kidney; Retroaortic renal vein.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022005000100001
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Absorption Levels and Morphological Features of Fetal Organs in Wistar Rats Treated with Lead Acetate International Journal of Morphology
Bomfim,Kátia Michelle dos Anjos; Garcia,Carlos Alexandre Borges; Reis,Francisco Prado; Palmeira,José Arnaldo Vasconcelos; Scher,Ricardo; de Lucca Júnior,Waldecy; Aragão,José Adeval; Vasconcelos,Francis Lima; Albuquerque Júnior,Ricardo Luiz Cavalcanti; Feitosa,Vera Lúcia Corrêa.
Lead is one of the heavy metals most used in industry. Poisoning due to long-term lead exposure is known as saturnism, and is an occupational illness that has been known for many years. Lead is highly toxic and can compromise the structural and functional patterns of organs and systems. The aim of this study was to examine the lungs and kidneys of fetuses from female Wistar rats exposed to lead acetate. In this study, the lungs and kidneys of 20 fetuses from female rats that had previously been treated with lead acetate were dissected, fixed, embedded in paraffin and stained with hematoxylin and eosin. Macroscopic changes to the shape, color and consistency of organs from fetuses treated with this heavy metal were observed, in comparison with organs from...
Tipo: Journal article Palavras-chave: Lead acetate; Fetuses; Lung; Kidney.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000100021
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Alpinia oxyphylla Miq. extract changes miRNA expression profiles in db-/db- mouse kidney Biol. Res.
Du,Guankui; Xiao,Man; Zhang,Xuezi; Wen,Maoyu; Pang,Chi; Jiang,Shangfei; Sang,Shenggang; Xie,Yiqiang.
Abstract Background A number of dysregulated miRNAs have been identified and are proposed to have significant roles in the pathogenesis of type 2 diabetes mellitus or renal pathology. Alpinia oxyphylla has shown significant anti-inflammatory properties and play an anti-diabetes role. The objective of this study was to detect the alteration of miRNAs underlying the anti-diabetes effects of A. oxyphylla extract (AOE) in a type II diabetic animal model (C57BIKsj db-/db-). Results Treatment with AOE for 8 weeks led to lower concentrations of blood glucose, urine albumin, and urine creatinine. 17 and 13 miRNAs were statistically identified as differentially regulated in the DB/DB and db-/db- AOE mice, respectively, compared to the untreated db-/db- mice. Of...
Tipo: Journal article Palavras-chave: MiRNA; Db-/db- mice; Alpinia oxyphylla Miq; Kidney; Diabetic nephropathy.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602017000100206
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Alterações renais funcionais em caprinos submetidos a infusão intravenosa de hemolisado. Repositório Alice
PINHEIRO, R. R.; HAGIWARA, M. K.; KOGIKA, M. M.; BENESI, F. J..
Resumo: 0 presente estudo foi realizado em 32 caprinos, adultos, Sem Raça Definida (SRD), sendo 16 machos e 16 fêmeas, com propósito de constatar a existência de alteraçoes funcionais renais em caprinos submetidos à aplicaçào intravenosa de hemolisado, através de quantificação dos níveis séricos de uréia e creatinina. Constituiram-se 4 grupos, cada um composto de 8 animais, dos quais 5 foram submetidos a infusao de hemolisado e 3 permaneceram como controle. Nos animais os grupos l, II e III retiraram-se volumes sangüíneos respectivamente a 5, 10 e 15 ml/kg de peso corpóreo. Cada animal do grupo hemólise recebeu, por via intravenosa lenta, após ruptura mecânica das hemacias por congelamento, o hemolisado em igual volume ao sangue retirado. Os animais...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Níveis séricos; Biouímica sérica; Kidney; Serum level; Caprino; Rim; Ureia; Creatinina; Goats; Urea; Creatinine; Kidneys.
Ano: 1990 URL: http://www.alice.cnptia.embrapa.br/handle/doc/514137
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Atorvastatin Has no Effects on Kidney Tissues of Wistar Albino Rats in the Long-Term Intake: An Electron Microscopic Study International Journal of Morphology
Aktas,Ayfer; Serhan Tasdemir,M; Cudi Tuncer,M; Nergiz,Yusuf; Akkus,Murat; Bagriyanik,Hüsnü Alper.
In this study, we evaluated the ultrastructural findings of kidney with systemic administration of different doses of atorvastatin in a rat model. Statins may have anti-inflammatory effects that would play a role in preventing the cellular damage. The aim of this study was to investigate how atorvastatin could play a role in kidney tissues. Forty adult male Wistar albino rats (200­250 g) were randomly divided into 4 groups of ten rats each (A1, A2, A3 and Control). Three different doses of atorvastatin were used to determine the effects on kidney tissues during 90 day period. The kidneys of A1 (0.1-mg group), A2 (0.5-mg group) and A3 (1-mg group) group were excised and the tissues were examined after the 90 days by transmission electron microscopy. Despite...
Tipo: Journal article Palavras-chave: Kidney; Wistar-albino rat; Statins; Atorvastatin; Ultrastructural.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000100025
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Bilateral Origin of the Testicular Arteries from the Lower Polar Accessory Renal Arteries International Journal of Morphology
Panagouli,Eleni; Lolis,Evangelos; Venieratos,Dionysios.
The gonadal arteries (testicular or ovarian arteries) emerge normally from the lateral aspect of the abdominal aorta, a little inferior to the renal arteries. Several other sites of origin of these arteries have been recorded with the renal and accessory renal arteries being the most common. In the present case report, the testicular arteries originated from the lower polar accessory renal arteries in both sides. The testicular veins followed had the usual origin and course, while an accessory renal vein was observed only in the right side. These anomalies were combined with an abnormal left ureter exiting from the lower pole of the kidney. Only one male cadaver among 77 adult human cadavers of Caucasian origin presented this set of variations (frequency:...
Tipo: Journal article Palavras-chave: Gonadal arteries; Kidney; Ureter; Abdominal aorta.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000400010
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Can Formaldehyde Exposure Induce Histopathologic and Morphometric Changes on Rat Kidney? International Journal of Morphology
Golalipour,Mohammad Jafar; Azarhoush,Ramin; Ghafari,Soraya; Davarian,Ali; Fazeli,Seyyed Amirhossein.
Formaldehyde is used traditionally for fixing the cadaver, and vaporized during dissection and practical studying on cadaver. This study was designed to determine the histopathologic and morphometric changes of rat kidney while all of the experiments were exposed to formaldehyde for 18 weeks. 28 male albino Wistar rats were divided into the following three experimental groups (E1: 2hrs/d, 2d/w; E2: 2hrs/d, 4d/w; E3: 4hrs/d, 4d/w) and one control group (C). when the exposure period was expired the animals were anaesthetized with chloroform. After cervical dislocation, the abdomen was dissected and the kidneys were taken. The kidney specimens were sectioned and stained with Haematoxylin and Eosin technique for histologic and morphometric study. Data were...
Tipo: Journal article Palavras-chave: Formaldehyde; Exposure; Histology; Kidney; Rat; Morphometry.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400037
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Cinetica do fosforo em tecidos de caprinos. Repositório Alice
BUENO, M. S.; VITTI, D. M. S. S..
O objetivo do trabalho foi determinar a cinetica do P em algns tecidos de caprinos submetidos a dietas com quantidade de P insuficiente, adequada e elevada. Foram utilizados nove caprinos machos castrados da raca Alpina, alojados em gaiolas individuais e alimentados por 29 dias com dietas compostas de feno e concentrado suplementado com 0,1 ou 2 g de P/dia na forma de fosfato bicalcico. No 22. dia os animais receberam injecao de 7,4 MBq de P na jugular esquerda. No 8. dia apos a aplicacao do tracador, os animais foram abatidos e coleraram-se amostras de figado, rim, coracao e musculo para determinacao da cinetica do P. As variaveis foram submetidas a regressao com o consumo de P. Os teores de P no coracao, musculo e rim mostraram relacao linear positiva e...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Atividade especifica; Plasma; Figado; Rim; Coracao; Musculo; Osso; Specific activity; Liver; Kidney; Heart; Muscle; Bone.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/handle/doc/87332
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Diabetic nephropathy in dogs: literature review MV&Z
Martorelli, Cínthia Ribas; Kogika, Márcia Mery; Caragelasco, Douglas Segalla.
Diabetes mellitus caused by insulin deficiency and chronic hyperglycemia usually presents complications including cataract, retinopathy, recurrent infections and ketoacidosis. Chronic hyperglycemia can cause long-term complications such as diabetic nephropathy. In humans, diabetic nephropathy is characterized mainly by glomerular injury and usually it is associated with systemic hypertension. The mechanisms proposed for the pathogenesis of diabetic nephropathy could be glomerular injury, as well as renal tubular damage. However, there are few studies analyzing the relationship between diabetes mellitus and kidney damage in dogs. The objective of this review is to clarify the pathophysiological mechanisms of diabetic nephropathy and to analyze the available...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canine; Kidney; Hyperglycemia; Diabetes mellitus canino; Rim; Hiperglicemia; Diabetes mellitus.
Ano: 2018 URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/37712
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Effects of Aspartame on Fetal Kidney: A Morphometric and Stereological Study International Journal of Morphology
Martins,Marielza R Ismael; Azoubel,Reinaldo.
The objective of this study was the evaluation of aspartame effects on morphometric alterations of the glomerulus, proximal and distal convoluted tubules and collecting ducts of the rat fetal kidney during organogénesis. Fifteen pregnant rats averaging 24 g body weight, were divided into 3 groups (n=5 each) of controls, rats treated with aspartame exposed to room temperature and rats treated with aspartame heated to 40°C. Animals were given 14mg / kg aspartame by the intragastric route on the 9th, 10th, and 11th days of pregnancy. Karyometric and stereological techniques estimated morphological changes. A significant decrease of fetal body weight was observed in the group given aspartame kept at room temperature, compared to controls. Karyometry permitted...
Tipo: Journal article Palavras-chave: Aspartame; Kidney; Morphometry.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000400004
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EFFECTS OF SODIUM CYCLAMATE IN KIDNEYS OF RATS FETUSES: A MORPHOMETRIC STUDY International Journal of Morphology
Ferraz de Arruda,José Germano; Tadeu Martins,Alex; Pereira Godoy,José Maria; Fácio Jr,Fernando Nestor; Azoubel,Reinaldo.
The cyclamate is used as artificial non-caloric sweetner in a wide variety of foods and beverages, being 30 times as sweet as sugar without the bitter after-taste of saccharin. It appears in the composition of the products as sodium and calcium cyclamates and cyclamic acid. The purpose of this research was to assess the effect of sodium cyclamate in kidneys of rats fetuses considering morphometric changes of glomerulus, proximal and distal convoluted tubules, and collecting duct. Ten pregnant rat (Rattus norvegicus) weighting an average of 238 g were divided into two groups: 5 in the control group and 5 in treated group with sodium cyclamate. Between the 10th and the 14th pregnancy day, 5 rats received an intraperitoneal daily injection of 60 mg/kg of body...
Tipo: Journal article Palavras-chave: Kidney; Sodium cyclamate; Morphometry; Experimental study.
Ano: 2004 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022004000200005
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Feasibility Constraints and Protective Behavior in Efficient Kidney Exchange AgEcon
Nicolo, Antonio; Rodriguez Alvarez, Carmelo.
We propose a model of Kidney-Exchange that incorporates the main European institutional features. We assume that patients do not consider all compatible kidneys homogeneous and patients are endowed with reservation values over the minimal quality of the kidney they may receive. Under feasibility constraints, patients' truthful revelation of reservation values is incompatible with constrained efficiency. In the light of this result, we introduce an alternative behavioral assumption on patients' incentives. Patients choose their revelation strategies as to “protect” themselves from bad outcomes and use a lexicographic refinement of maximin strategies. In this environment, if exchanges are pairwise, then priority rules or rules that maximize a fixed ordering...
Tipo: Working or Discussion Paper Palavras-chave: Kidney; Matching; Protective Behavior; Institutional and Behavioral Economics; C78; D78.
Ano: 2009 URL: http://purl.umn.edu/50671
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Fractal Dimension of Dog Kidney Proximal Convoluted Tubuli Sections by Mean Box-Counting Algorithm International Journal of Morphology
Gil,Julio; Gimeno,Miguel; Laborda,Jesús; Nuviala,Javier.
The possibility of characterizing the proximal convoluted tubuli of the dog kidney by means of a unique and objective value, is an attractive idea in order to automate its recognition in anatomy and patology. For this, we obtained a fractal dimension of the proximal convoluted tubuli in the dog kidney by mean box-counting method. The fractal value we obtained is a flat dimension, and it is different than the line fractal dimension of the dog kidney arterial pattern, which was previously calculated by us (Gil et al., 2006). Thus, from optical microscopy images, we are able to obtain a single quantitative measure to discriminate these dog kidney components. This measures can use to automate its recognition. Fractal geometry provides many advantages when...
Tipo: Journal article Palavras-chave: Fractal; Kidney; Proximal convoluted tubuli.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000500005
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Haematology and melanoma crophage centers of Nile tilapia fed supplemented diet with propolis Biological Sciences
Ledic-Neto, Jerko; Universidade Federal de Santa Catarina; Dotta, Geovana; Universidade Federal de Santa Catarina; Garcia, Patrícia; Universidade Federal de Santa Catarina; Brum, Aline; Universidade Federal de Santa Catarina; Gonçalves, Eduardo Luis Tavares; Universidade Federal de Santa Catarina; Martins, Maurício Laterça; Universidade Federal de Santa Catarina.
The objective of this study was to investigate the influence of dietary supplementation with propolis on hematology and number and area of melanomacrophage centers in spleen and kidney of tilapia. After acclimation, fish (24.7 ± 7.4 gmean weight) were distributed in 6 tanks 100 L, 6 fish per tank, in triplicate, at a temperature 24.0 ± 2.8oC, with two treatments: Fish fed 2% propolis supplemented diet and fish fed non-supplemented diet. To monitor the evolution of the effects, two samples were collected: half of the fish from each treatment were used after 15 days and the other half after 21, composing two feeding times. After each feeding time, blood, spleen and kidney were collected. After twenty one days feeding on 2% propolis supplemented diet, fish...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.06.03.00-0 fish; Blood; Kidney; Spleen; Hemosiderin Aquicultura.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/22024
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Histology and Renal Lipoperoxidation in Rats Exercised on a Treadmill and Submitted to Water Restriction International Journal of Morphology
Lorençoni,Roselene Modolo Regueiro; Pelai,Elisa Bizetti; Godoy,Moacir Fernandes; dos Santos,Alice Cristina Antonio; Miyoshi,Lívia Hissae; de Oliveira,Rebeca Nicolás Paronetto; Padovani,Carlos Roberto; Fregonesi,Cristina Elena Prado Teles; Camargo Filho,José Carlos Silva.
Physical effort stimulates an increase in oxygen consumption in tissues, generating toxic chemical species derived from oxygen (ROS), which are considered the initiators of the lipid peroxidation process (LPO), the major mechanism of cellular injury. As the essential mechanism for maintaining the electrolyte balance depends on an effective kidney function, oxidative stress in this organ can be a key factor in the development and persistence of hypertension. This study aimed to determine the kidney changes induced by a combination of fluid restriction and exercise in rats. The study consisted of 24 male Wistar rats of 90 days of age, divided into four groups, two of which were submitted to water restriction and exercise on a treadmill.Twenty-four hours...
Tipo: Journal article Palavras-chave: Morphology; Oxidative Stress; Kidney.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200039
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Histopathologic Effect of Persea americana Aqueous Leaves Extract on the Liver and Kidney of Weaner Rabbits (California Species) International Journal of Morphology
Adisa,J. O; Ajayi,Y; Egbujo,E. C.
Persea americana (avocado) is widely grown in parts of Southeastern Nigeria and used as a medicinal plant in the treatment of several ailments by alternative medical practitioners but very little research has been carried out on its pharmacotoxicity. This study therefore intends to study the histopathologic effect(s) of Persea americana aqueous leaf extract on the liver and kidneys of rabbits. Fresh leaves of Persea americana were processed using the Soxhlet extraction to obtain the aqueous extract. Three (3) groups of weaner rabbits namely the control, the recommended dose and the high dose groups were given water, 75mg/kg/ and 150mg/kg per day of the extract respectively for 28 days. The animals were sacrificed, the liver and kidney were harvested, fixed...
Tipo: Journal article Palavras-chave: Persea Americana; Liver; Kidney; Histopathology.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000400053
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Mixture of Kerosene and Xylene: a Contribution to Clearing Agents International Journal of Morphology
Ofusori,David A; Ayoka,Abiodun O; Adeeyo,Olusola A; Adewole,Stephen O.
The aim of this study was to substitute costly and hazardous compound- xylene, used as clearing agent, with less costly compounds (mixture of xylene and kerosene) having less toxicity and without compromising the cellular integrity and staining characteristics of the sections. Tissues (liver and kidney) obtained from a presumable healthy adult Wistar rat, were fixed in 10% formol saline, separated in to five groups (A, B, C, D and E) and processed for light microscopic study adopting H & E staining procedure. During the clearing section, groups A, B, C, D and E were respectively cleared in solvent 1 (xylene only), solvent 2 (70ml xylene : 30ml kerosene), solvent 3 (50ml xylene : 50ml kerosene), solvent 4 (30ml xylene : 70ml kerosene) and solvent 5...
Tipo: Journal article Palavras-chave: Xylene; Kerosene; Clearing agent; Liver; Kidney.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100036
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Moringa oleifera Impairs the Morphology and Functions of the Kidney in Adult Wistar Rats International Journal of Morphology
Akinlolu,Abdulazeez Adelaja; Ghazali,Olaide Kamal; Ameen,Oloduowo Mubarak; Oyebanji,Seunayo Comfort; Omotoso,Gabriel Olaiya; Enaibe,Bernard Ufuoma.
We tested the hypothesis that Moringa oleifera impairs the morphology and functions of the kidney in rats. Twenty-four adult male Wistar rats were employed in the study. Rats of Control Group I received physiological saline while rats of Groups II ­ IV received 250, 500 and 750 mg/kg bodyweight of methanolic extract of Moringa oleifera respectively for twenty one days. No behavioral anomalies were observed in rats of Groups I ­ IV. Rats of Control Group I gained statistically significant increased bodyweight while rats of Groups II ­ IV experienced non-significant decreased bodyweight during experimental procedure. (P0.05). No statistical significant differences (P0.05) were observed in the analyses of the relative weights of kidneys of rats of Groups I ­...
Tipo: Journal article Palavras-chave: Moringa oleifera; Toxicity profile; Kidney.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000200016
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Morphogenesis of Kidney in Crossbred Pig (Sus scrofa) Foetii International Journal of Morphology
Sarma,Kamal; Ahmed,Bilal.
Twenty five numbers of crossbred pig foetii were selected based on their crown-rump length and subsequently divided into 5 age groups consisting of 5 animals in each group viz. group I (41-55 days), group II (56-70 days), group III (71-85 days), group IV (86-100 days) and groupV (101-114 days). No renal pelvis was evident in group I in all the kidneys under study. From group II onwards, the renal pelvis was distinct and extensive with a well developed ureter that originated from the middle of the pelvis in both the kidneys
Tipo: Journal article Palavras-chave: Crossbred pig; Kidney; Ontogeny.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000100019
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Morphological Expression of the Renal Artery: A Direct Anatomical Study in a Colombian Half-caste Population International Journal of Morphology
Saldarriaga,Bladimir; Pinto,Sergio A; Ballesteros,Luis E.
Irrigation of the kidneys is usually provided by a single renal artery; however, variations on this pattern have frequently been reported. This study was aimed at establishing the renal arteries' frequency and morphological characteristics in cadaverous material taken from a half-caste population from Bucaramanga (Colombia). The sample included 195 renal blocks corresponding to 57 (14.6%) kidneys from females and 333 (85.4%) from males. The renal arteries were injected with synthetic resin (palatal GP41L); following the resin's polymerization, the renal blocks were placed in KOH solution for corrosion the renal parenchyma. The individuals from whom the renal blocks, 74.9% of the kidneys presented renal arteries single and 25.1% had additional renal...
Tipo: Journal article Palavras-chave: Renal artery; Anatomical variations; Kidney.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100005
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