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Kim JE, Sung JY, Woo CH, Kang YJ, Lee KY, Kim HS, Kwun WH, Choi HC.Kim JE, et al. Among authors: kwun wh.Korean J Physiol Pharmacol. 2011 Aug;15(4):203-10. doi: 10.4196/kjpp.2011.15.4.203. Epub 2011 Aug 31.Korean J Physiol Pharmacol. 2011.PMID: 21994478Free PMC article.