[An electromyographic study on the activity of external vesical sphincter: A study of normal electromyogram of bulbocavernosus muscle].
D000328:Adult; D004576:Electromyography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D001743:Urinary Bladder; D014556:Urine