[Anterior urethral valve in a newborn infant].
D006801:Humans; D006869:Hydronephrosis / Q000209:etiology; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D007674:Kidney Diseases / Q000209:etiology; D008297:Male; D014521:Urethra / Q000002:abnormalities* / Q000601:surgery; D014524:Urethral Obstruction / Q000209:etiology* / Q000601:surgery
Valve urétrale antérieure chez un nouveau-né.