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Yoon YJ, Han KH, Kim C, Chon CY, Moon YM, Han CH, Choi HJ, Kim YS, Han JY, Kim HS.Yoon YJ, et al. Among authors: chon cy.Taehan Kan Hakhoe Chi. 2002 Dec;8(4):465-71.Taehan Kan Hakhoe Chi. 2002.PMID: 12506251Korean.
Ahn SH, Han KH, Park JY, Youn YH, Moon CM, Lee KS, Chon CY, Moon YM, Lee DY, Lee JT.Ahn SH, et al. Among authors: chon cy.Yonsei Med J. 2004 Oct 31;45(5):847-58. doi: 10.3349/ymj.2004.45.5.847.Yonsei Med J. 2004.PMID: 15515195Free article.