title: Postoperative urinary retention.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D009270:Naloxone / Q000627:therapeutic use; D009294:Narcotics / Q000009:adverse effects; D011183:Postoperative Complications / Q000628:therapy*; D014546:Urinary Catheterization; D016055:Urinary Retention / Q000628:therapy*
chemical_list: D009294:Narcotics; D009270:Naloxone