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APA Citation
Bridgewater, B., Grayson, A. D., Au, J., Hassan, R., Dihmis, W. C., Munsch, C., & Waterworth, P. (2004). improving mortality of coronary surgery over first four years of independent practice: retrospective examination of prospectively collected data from 15 surgeons. BMJ, 329(7463), 421–. http://access.bl.uk/ark:/81055/vdc_100177552085.0x00002f