The relief of postoperative pain.
D000367:Age Factors; D000698:Analgesia; D000700:Analgesics / Q000494:pharmacology; D000765:Anesthesia, Conduction; D000769:Anesthesia, Inhalation; D000779:Anesthetics, Local / Q000494:pharmacology; D004777:Environment; D006801:Humans; D009020:Morphine / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology; D010146:Pain / Q000209:etiology; D011182:Postoperative Care; D011229:Preanesthetic Medication; D011584:Psychology; D012737:Sex Factors; D019966:Substance-Related Disorders
D000700:Analgesics; D000779:Anesthetics, Local; D009294:Narcotics; D009020:Morphine