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Ha JH, Choi IH, Chung CY, Cho TJ, Jung ST, Lee HS, Park SS, Lee HY, Oh CW, Kim IO.Ha JH, et al. Among authors: choi ih.J Korean Med Sci. 2003 Oct;18(5):715-21. doi: 10.3346/jkms.2003.18.5.715.J Korean Med Sci. 2003.PMID: 14555826Free PMC article.
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Cho TJ, Choi IH, Chung CY, Yoo WJ, Yang SW.Cho TJ, et al. Among authors: choi ih.J Korean Med Sci. 2005 Feb;20(1):158-61. doi: 10.3346/jkms.2005.20.1.158.J Korean Med Sci. 2005.PMID: 15716624Free PMC article.