Further studies on the slow rhythm of pulmonary respiration in the frog.
D000818:Animals; D001001:Anura; D001933:Brain Stem / Q000187:drug effects; D002746:Chlorpromazine / Q000494:pharmacology; D007275:Injections, Intravenous; D012110:Reserpine / Q000494:pharmacology; D012119:Respiration; D013564:Sympathetic Nervous System / Q000187:drug effects
D012110:Reserpine; D002746:Chlorpromazine