혈전용해제치료를 받지 못한 급성심근경색증 환자에서의 관동맥 확장성형술(Delayed Elective Coronary Angioplasty)의 시술효과 및 추적조영 관찰
= The Benefits of Delayed Elective Coronary Angioplasty for Acute Myocardial Infarction patients without Trrombolytic Therapy : Immediate Results and Angiographic Follow-up