[Evaluation of analgesic effects of drugs on postoperative pain].
D000367:Age Factors; D000700:Analgesics / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003201:Computers; D006801:Humans; D009020:Morphine / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy*; D010423:Pentazocine / Q000627:therapeutic use; D010919:Placebos; D011183:Postoperative Complications / Q000188:drug therapy*; D012737:Sex Factors
D000700:Analgesics; D010919:Placebos; D009020:Morphine; D010423:Pentazocine