Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SJAUW KD,A systematic review and meta-analysis of intra-aortic balloon pump therapy in ST-elevation myocardial infarction : Should we change the guidelines?,Eur Heart J,,,2009,30,,459-468,https://cir.nii.ac.jp/crid/1570572700824626560,