title: Papaverine blockade of an inward slow Ca2+ current in guinea pig heart.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000255:Adenosine Triphosphate / Q000378:metabolism; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D000242:Cyclic AMP / Q000378:metabolism; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006352:Heart Ventricles / Q000187:drug effects / Q000378:metabolism; D008564:Membrane Potentials / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism*; D010208:Papaverine / Q000494:pharmacology*; D010477:Perfusion; D011188:Potassium / Q000494:pharmacology
chemical_list: D000255:Adenosine Triphosphate; D010208:Papaverine; D000242:Cyclic AMP; D011188:Potassium; D002118:Calcium