title: A simple method for the measurement of the cardiac afferent activities as affected by drugs, using the perfused heart of the bullfrog.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000404:Ajmaline / Q000494:pharmacology; D000818:Animals; D001001:Anura; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000294:innervation*; D066298:In Vitro Techniques; D008722:Methods; D009474:Neurons / Q000187:drug effects*; D009475:Neurons, Afferent / Q000187:drug effects*; D010042:Ouabain / Q000494:pharmacology; D010477:Perfusion; D011311:Pressoreceptors / Q000187:drug effects; D011892:Rana catesbeiana; D014701:Veratridine / Q000494:pharmacology
chemical_list: D000404:Ajmaline; D010042:Ouabain; D014701:Veratridine; D000109:Acetylcholine; D004837:Epinephrine