title: Inspiratory versus expiratory efforts in pigeons: a search for selective drug influence.
mesh_terms: D000758:Anesthesia; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001463:Barbiturates / Q000494:pharmacology; D001565:Benzoates / Q000494:pharmacology; D002698:Chloralose / Q000494:pharmacology; D002746:Chlorpromazine / Q000494:pharmacology; D003061:Codeine / Q000494:pharmacology; D010856:Columbidae; D000431:Ethanol / Q000494:pharmacology; D008691:Methadone / Q000494:pharmacology; D008774:Methylphenidate / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009269:Nalorphine / Q000494:pharmacology; D009552:Nikethamide / Q000494:pharmacology; D009665:Noscapine / Q000494:pharmacology; D011277:Pregnanediones / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects*; D014132:Trachea / Q000502:physiology; D014520:Urethane / Q000494:pharmacology
chemical_list: D001463:Barbiturates; D001565:Benzoates; D011277:Pregnanediones; D008774:Methylphenidate; D002698:Chloralose; D009552:Nikethamide; D014520:Urethane; D000431:Ethanol; D009020:Morphine; D001285:Atropine; D009665:Noscapine; D002746:Chlorpromazine; D009269:Nalorphine; D008691:Methadone; D003061:Codeine