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Chern MS, Ko JS, Wu MH, Tsai TT, Li WY, Teng MM, Chou YH, Chang CY, Chang SC.Chern MS, et al. Among authors: chang sc, chang cy.J Chin Med Assoc. 2004 Jan;67(1):41-7.J Chin Med Assoc. 2004.PMID: 15077890
Lin PW, Lee RC, Chern MS, Chiang JH, Chang CY.Lin PW, et al. Among authors: chang cy.J Chin Med Assoc. 2006 Jul;69(7):334-7. doi: 10.1016/S1726-4901(09)70269-2.J Chin Med Assoc. 2006.PMID: 16903649Free article.
Chen YD, Wu MH, Sheu MH, Chang CY.Chen YD, et al. Among authors: chang cy.J Formos Med Assoc. 2009 Jun;108(6):469-74. doi: 10.1016/S0929-6646(09)60094-2.J Formos Med Assoc. 2009.PMID: 19515627Free article.