title: [Myocardial protective effect and negative inotropic effect of verapamil in potassium cardioplegia].
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D004285:Dogs; D006324:Heart Arrest, Induced; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000648:ultrastructure; D011188:Potassium / Q000378:metabolism*; D017680:Potassium Compounds; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D017680:Potassium Compounds; C018369:potassium cardioplegic solution; D014700:Verapamil; D011188:Potassium