title: Letter: Hypothermic cardioplegia.
mesh_terms: D000818:Animals; D002315:Cardiopulmonary Bypass; D004285:Dogs; D006324:Heart Arrest, Induced / Q000379:methods; D006801:Humans; D007036:Hypothermia, Induced / Q000379:methods; D008954:Models, Biological; D010215:Papio