[Enhanced myocardial protection by crystalloid cardioplegia at 4 degrees centigrade].
D000818:Animals; D003080:Cold Temperature; D004285:Dogs; D006321:Heart / Q000502:physiology*; D006324:Heart Arrest, Induced; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects; D011188:Potassium; D017680:Potassium Compounds
D017680:Potassium Compounds; C018369:potassium cardioplegic solution; D011188:Potassium