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Kang KW, Chang HJ, Shim H, Kim YJ, Choi BW, Yang WI, Shim JY, Ha J, Chung N.Kang KW, et al. Among authors: ha j.Eur J Radiol. 2012 Apr;81(4):e640-6. doi: 10.1016/j.ejrad.2012.01.017. Epub 2012 Feb 2.Eur J Radiol. 2012.PMID: 22304980
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