title: DIFFERENCES BETWEEN THE CHRONOTROPIC EFFECT OF ATP ON THE ISOLATED FROG HEART AND THE ISOLATED FROG VENTRICLE.
mesh_terms: D000227:Adenine Nucleotides; D000255:Adenosine Triphosphate; D000818:Animals; D001001:Anura; D006321:Heart; D006352:Heart Ventricles; D010600:Pharmacology; D010827:Physiology; D011188:Potassium; D011898:Ranidae; D012106:Research
chemical_list: D000227:Adenine Nucleotides; D000255:Adenosine Triphosphate; D011188:Potassium
keywords: ADENINE NUCLEOTIDES; ADENOSINE TRIPHOSPHATE; EXPERIMENTAL LAB STUDY; FROGS; HEART; PHARMACOLOGY; PHYSIOLOGY; POTASSIUM