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História natural da dilatação pielocalicial pré-natal
Franco, S; Carvalho, G; Antunes, A; Brito, M; Morais, C; Barros, JSINTRODUCTION: It is estimated that genitourinary anomalies comprise 20% of all antenatally detected fetal anomalies, and pyelocaliectasia is the most common one. Detection of antenatal dilatation of the urinary tract does not always indicate postnatal urinary tract obstruction or even a significant genitourinary anomaly. Most cases will improve spontaneously, representing a temporary physiologic impedence and d...
Immunocytochemical localization of endothelin-1 in human placenta from normal a...
Barros, JS; Bairos, VA; Baptista, MG; Fagulha, JOBJECTIVE: The aim of this study was to examine the distribution of endothelin-1 (ET-1) in the human placenta at different gestational ages and to determine whether differences in ET-1 immunoreactivity occurred in preeclamptic compared with uncomplicated pregnancies. METHODS: Localization of ET-1 was investigated by the immunoperoxidase technique in first-trimester, second-trimester, and term human placentas fr...
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