An evaluation of the importance of residual urine.
D000368:Aged; D006801:Humans; D008297:Male; D008365:Manometry; D008875:Middle Aged; D011470:Prostatic Hyperplasia / Q000000981:diagnostic imaging*; D011859:Radiography; D001743:Urinary Bladder / Q000000981:diagnostic imaging* / Q000502:physiology; D014546:Urinary Catheterization; D014554:Urination; D014555:Urination Disorders / Q000000981:diagnostic imaging*