Intra-aortic balloon counterpulsation and infarct size in patients with acute anterior myocardial infarction without shock : the CRISP AMI randomized trial .5 .中华医学会心血管病学分会及中华心血管病杂志编辑委员会.急性ST段抬高型心肌梗死诊断和治疗指南.中华心血管病杂志, 2015 , 43 : 380-393 .Meta-Analysis of ......