Codeine phosphate, propoxyphene hydrochloride, and placebo.
D000698:Analgesia; D000700:Analgesics; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D003061:Codeine; D011431:Dextropropoxyphene; D010146:Pain
D000700:Analgesics; D011431:Dextropropoxyphene; D003061:Codeine
ANALGESICS; CODEINE/anesthesia and analgesia