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van der Werf MJ, de Vlas SJ, Landouré A, Bosompem KM, Habbema JD.van der Werf MJ, et al. Among authors: de vlas sj.Trop Med Int Health. 2004 Jan;9(1):149-57. doi: 10.1046/j.1365-3156.2003.01153.x.Trop Med Int Health. 2004.PMID: 14728619Free article.
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
van der Werf MJ, Mbaye A, Sow S, Gryseels B, de Vlas SJ.van der Werf MJ, et al. Among authors: de vlas sj.Trop Med Int Health. 2002 Jan;7(1):70-9. doi: 10.1046/j.1365-3156.2002.00823.x.Trop Med Int Health. 2002.PMID: 11851957Free article.
Danso-Appiah A, De Vlas SJ.Danso-Appiah A, et al. Among authors: de vlas sj.Trends Parasitol. 2002 Mar;18(3):125-9. doi: 10.1016/s1471-4922(01)02209-7.Trends Parasitol. 2002.PMID: 11854090Review.
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.