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Korenromp EL, Bakker R, De Vlas SJ, Robinson NJ, Hayes R, Habbema JD.Korenromp EL, et al. Among authors: de vlas sj.Sex Transm Dis. 2002 Apr;29(4):228-38. doi: 10.1097/00007435-200204000-00008.Sex Transm Dis. 2002.PMID: 11912465
de Vlas SJ, Nagelkerke NJ, Habbema JD, van Oortmarssen GJ.de Vlas SJ, et al.Stat Methods Med Res. 1993;2(1):3-21. doi: 10.1177/096228029300200102.Stat Methods Med Res. 1993.PMID: 8261249Review.
Habbema JD, De Vlas SJ, Plaisier AP, Van Oortmarssen GJ.Habbema JD, et al. Among authors: de vlas sj.Am J Trop Med Hyg. 1996 Nov;55(5 Suppl):165-9. doi: 10.4269/ajtmh.1996.55.165.Am J Trop Med Hyg. 1996.PMID: 8940971Review.
Korenromp EL, de Vlas SJ, Nagelkerke NJ, Habbema JD.Korenromp EL, et al. Among authors: de vlas sj.Sex Transm Dis. 2001 Nov;28(11):613-21. doi: 10.1097/00007435-200111000-00001.Sex Transm Dis. 2001.PMID: 11677381
Nagelkerke NJ, Jha P, de Vlas SJ, Korenromp EL, Moses S, Blanchard JF, Plummer FA.Nagelkerke NJ, et al. Among authors: de vlas sj.Bull World Health Organ. 2002;80(2):89-96.Bull World Health Organ. 2002.PMID: 11953786Free PMC article.
van der Werf MJ, de Vlas SJ, Looman CW, Nagelkerke NJ, Habbema JD, Engels D.van der Werf MJ, et al. Among authors: de vlas sj.Acta Trop. 2002 May;82(2):127-37. doi: 10.1016/s0001-706x(02)00007-4.Acta Trop. 2002.PMID: 12020885Review.