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Werkman A, Schuit AJ, Kwak L, Kremers SP, Visscher TL, Kok FJ, Schouten EG.Werkman A, et al. Among authors: kremers sp.BMC Public Health. 2006 Dec 6;6:293. doi: 10.1186/1471-2458-6-293.BMC Public Health. 2006.PMID: 17147832Free PMC article.
Singh AS, Chin A Paw MJ, Kremers SP, Visscher TL, Brug J, van Mechelen W.Singh AS, et al. Among authors: kremers sp.BMC Public Health. 2006 Dec 16;6:304. doi: 10.1186/1471-2458-6-304.BMC Public Health. 2006.PMID: 17173701Free PMC article.
Raaijmakers LG, Bessems KM, Kremers SP, van Assema P.Raaijmakers LG, et al. Among authors: kremers sp.Eur J Public Health. 2010 Jun;20(3):318-24. doi: 10.1093/eurpub/ckp191. Epub 2009 Nov 30.Eur J Public Health. 2010.PMID: 19948777
Werkman A, Hulshof PJ, Stafleu A, Kremers SP, Kok FJ, Schouten EG, Schuit AJ.Werkman A, et al. Among authors: kremers sp.BMC Public Health. 2010 Mar 5;10:110. doi: 10.1186/1471-2458-10-110.BMC Public Health. 2010.PMID: 20205704Free PMC article.Clinical Trial.