title: The cardioplegic controversy.
mesh_terms: D002118:Calcium / Q000378:metabolism; D006324:Heart Arrest, Induced / Q000379:methods*; D006801:Humans; D009206:Myocardium / Q000378:metabolism; D011188:Potassium / Q000494:pharmacology
chemical_list: D011188:Potassium; D002118:Calcium