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Cha I, Long SR, Ljung BM, Miller TR.Cha I, et al.Diagn Cytopathol. 1997 Apr;16(4):345-9. doi: 10.1002/(sici)1097-0339(199704)16:4<345::aid-dc8>3.0.co;2-c.Diagn Cytopathol. 1997.PMID: 9143829
Turek PJ, Cha I, Ljung BM.Turek PJ, et al. Among authors: cha i.Urology. 1997 May;49(5):743-8. doi: 10.1016/S0090-4295(97)00154-4.Urology. 1997.PMID: 9145981Clinical Trial.
Meng MV, Black LD, Cha I, Ljung BM, Pera RA, Turek PJ.Meng MV, et al. Among authors: cha i.Hum Reprod. 2001 Mar;16(3):529-33. doi: 10.1093/humrep/16.3.529.Hum Reprod. 2001.PMID: 11228224
Meng MV, Cha I, Ljung BM, Turek PJ.Meng MV, et al. Among authors: cha i.Hum Reprod. 2000 Sep;15(9):1973-7. doi: 10.1093/humrep/15.9.1973.Hum Reprod. 2000.PMID: 10966998
Meng MV, Miller TR, Cha I, Stoller ML.Meng MV, et al. Among authors: cha i.J Urol. 2003 Jan;169(1):45-8. doi: 10.1016/S0022-5347(05)64031-1.J Urol. 2003.PMID: 12478099
Gong G, DeVries S, Chew KL, Cha I, Ljung BM, Waldman FM.Gong G, et al. Among authors: cha i.Clin Cancer Res. 2001 Aug;7(8):2410-4.Clin Cancer Res. 2001.PMID: 11489820
Kerlikowske K, Molinaro A, Cha I, Ljung BM, Ernster VL, Stewart K, Chew K, Moore DH 2nd, Waldman F.Kerlikowske K, et al. Among authors: cha i.J Natl Cancer Inst. 2003 Nov 19;95(22):1692-702. doi: 10.1093/jnci/djg097.J Natl Cancer Inst. 2003.PMID: 14625260