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Hong JS, Yi SW, Kang HC, Ohrr H.Hong JS, et al. Among authors: ohrr h.Ann Epidemiol. 2007 Aug;17(8):622-7. doi: 10.1016/j.annepidem.2007.03.004. Epub 2007 Jun 6.Ann Epidemiol. 2007.PMID: 17553697
Kim IS, Ohrr H, Jee SH, Kim H, Lee Y.Kim IS, et al. Among authors: ohrr h.Yonsei Med J. 1993 Sep;34(3):212-22. doi: 10.3349/ymj.1993.34.3.212.Yonsei Med J. 1993.PMID: 8259698Free article.
Kim HN, Kim SG, Lee HK, Ohrr H, Moon SK, Chi J, Lee EH, Park K, Park DJ, Lee JH, Yi SW.Kim HN, et al. Among authors: ohrr h.J Korean Med Sci. 2000 Oct;15(5):580-4. doi: 10.3346/jkms.2000.15.5.580.J Korean Med Sci. 2000.PMID: 11068997Free PMC article.
Kim IS, Jee SH, Ohrr H, Yi SW.Kim IS, et al. Among authors: ohrr h.Yonsei Med J. 2001 Apr;42(2):155-60. doi: 10.3349/ymj.2001.42.2.155.Yonsei Med J. 2001.PMID: 11371101Free article.
Sull JW, Jee SH, Yi S, Lee JE, Park JS, Kim S, Ohrr H.Sull JW, et al. Among authors: ohrr h.Gynecol Oncol. 2004 Dec;95(3):557-63. doi: 10.1016/j.ygyno.2004.08.008.Gynecol Oncol. 2004.PMID: 15581963
Jee SH, Ohrr H, Sull JW, Yun JE, Ji M, Samet JM.Jee SH, et al. Among authors: ohrr h.JAMA. 2005 Jan 12;293(2):194-202. doi: 10.1001/jama.293.2.194.JAMA. 2005.PMID: 15644546
Yi SW, Hong JS, Ohrr H, Yi JJ.Yi SW, et al. Among authors: ohrr h.Eur J Epidemiol. 2005;20(2):131-5. doi: 10.1007/s10654-004-5098-6.Eur J Epidemiol. 2005.PMID: 15792278Clinical Trial.