[Posterior urethral valves].
D000792:Angiography; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D014521:Urethra / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014567:Urography
Válvulas de uretra posterior.