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Song HJ, Seong SY, Huh MS, Park SG, Jang WJ, Kee SH, Kim KH, Kim SC, Choi MS, Kim IS, Chang WH.Song HJ, et al. Among authors: chang wh.Am J Trop Med Hyg. 1998 Apr;58(4):513-8. doi: 10.4269/ajtmh.1998.58.513.Am J Trop Med Hyg. 1998.PMID: 9574801
Cho MJ, Chang WH, Choi MS, Kim IS, Kang JS, Park KH, Kim HK, Cha CY, Chung HK, Rhee KH.Cho MJ, et al. Among authors: chang wh.J Korean Med Sci. 1987 Mar;2(1):65-70. doi: 10.3346/jkms.1987.2.1.65.J Korean Med Sci. 1987.PMID: 3077605Free PMC article.
Chang WH, Choi MS, Chung HY, Seo WJ, Choi TY, Chong YS, Kim JS, Chung SS, Hong SH.Chang WH, et al.J Korean Med Sci. 1988 Jun;3(2):45-50. doi: 10.3346/jkms.1988.3.2.45.J Korean Med Sci. 1988.PMID: 3267354Free PMC article.
Hahn MJ, Kim KK, Kim I, Chang WH.Hahn MJ, et al. Among authors: chang wh.Gene. 1993 Oct 29;133(1):129-33. doi: 10.1016/0378-1119(93)90237-w.Gene. 1993.PMID: 8224886
Park CS, Kim IC, Lee JB, Choi MS, Choi SB, Chang WH, Kim I.Park CS, et al. Among authors: chang wh.J Korean Med Sci. 1993 Oct;8(5):319-24. doi: 10.3346/jkms.1993.8.5.319.J Korean Med Sci. 1993.PMID: 8305138Free PMC article.