[A study of the vesical sphincter].
D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000033:anatomy & histology* / Q000473:pathology; D011470:Prostatic Hyperplasia / Q000473:pathology*; D001743:Urinary Bladder / Q000033:anatomy & histology* / Q000473:pathology