ASSOCIATION OF VALVES IN THE POSTERIOR URETHRA WITH BLADDER NECK OBSTRUCTION.
D002648:Child; D000013:Congenital Abnormalities; D006801:Humans; D008297:Male; D014521:Urethra; D001748:Urinary Bladder Neck Obstruction
ABNORMALITIES; BLADDER NECK OBSTRUCTION; CHILD; URETHRA