title: [Observation on myocardial ultrastructure in myocardial protection with cold potassium-magnesium-energy cardioplegic solution].
mesh_terms: D000328:Adult; D003080:Cold Temperature; D005260:Female; D006324:Heart Arrest, Induced; D006801:Humans; D007552:Isotonic Solutions / Q000494:pharmacology*; D008297:Male; D009206:Myocardium / Q000648:ultrastructure*; D011188:Potassium / Q000494:pharmacology*; D017680:Potassium Compounds
chemical_list: D007552:Isotonic Solutions; D017680:Potassium Compounds; C018369:potassium cardioplegic solution; D011188:Potassium