Postoperative analgesia.
D000698:Analgesia; D000700:Analgesics / Q000008:administration & dosage; D002404:Catheterization; D006801:Humans; D007406:Interview, Psychological; D008722:Methods; D010146:Pain / Q000188:drug therapy; D011182:Postoperative Care; D011300:Preoperative Care
D000700:Analgesics