Analgesic efficacy of poly(alkoxy)estratrienes.
D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D002415:Cats; D004285:Dogs; D051379:Mice; D009020:Morphine / Q000494:pharmacology; D051381:Rats; D013256:Steroids / Q000494:pharmacology*; D013431:Sulfates / Q000494:pharmacology
D000700:Analgesics; D013256:Steroids; D013431:Sulfates; D009020:Morphine