Nathan B. Eddy Memorial Award lecture.
D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D002986:Clinical Trials as Topic; D006801:Humans; D008614:Meperidine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology* / Q000627:therapeutic use; D010620:Phenazocine / Q000494:pharmacology; D013329:Structure-Activity Relationship
D000700:Analgesics; D009292:Narcotic Antagonists; D009020:Morphine; D008614:Meperidine; D010620:Phenazocine