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Park JS, Hwang HK, Kim JK, Cho SI, Yoon DS, Lee WJ, Chi HS.Park JS, et al. Among authors: hwang hk.Surgery. 2009 Nov;146(5):882-7. doi: 10.1016/j.surg.2009.05.012. Epub 2009 Jul 18.Surgery. 2009.PMID: 19744455
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