title: The effect of a calcium-antagonistic drug, nifedipine, on the mechanical and electrical activity of the isolated rat atrium.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D005260:Female; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D009543:Nifedipine / Q000008:administration & dosage / Q000494:pharmacology*; D011725:Pyridines / Q000494:pharmacology*; D051381:Rats; D012032:Refractory Period, Electrophysiological / Q000187:drug effects; D012849:Sinoatrial Node / Q000187:drug effects
chemical_list: D011725:Pyridines; D009543:Nifedipine