[Present status of cardioplegia in Japan, an analysis of a questionnaire].
D006324:Heart Arrest, Induced; D006801:Humans; D007564:Japan; D011188:Potassium; D017680:Potassium Compounds; D011795:Surveys and Questionnaires
D017680:Potassium Compounds; C018369:potassium cardioplegic solution; D011188:Potassium