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Mars M, de Graaf C, de Groot CP, van Rossum CT, Kok FJ.Mars M, et al. Among authors: kok fj.Int J Obes (Lond). 2006 Jan;30(1):122-8. doi: 10.1038/sj.ijo.0803070.Int J Obes (Lond). 2006.PMID: 16158086
Mars M, de Graaf C, de Groot LC, Kok FJ.Mars M, et al. Among authors: kok fj.Am J Clin Nutr. 2005 Mar;81(3):570-7. doi: 10.1093/ajcn/81.3.570.Am J Clin Nutr. 2005.PMID: 15755824Free article.
Blom WA, Mars M, Hendriks HF, de Groot LC, Stafleu A, Kok FJ, de Graaf C.Blom WA, et al. Among authors: kok fj.Obesity (Silver Spring). 2006 May;14(5):838-46. doi: 10.1038/oby.2006.97.Obesity (Silver Spring). 2006.PMID: 16855193Free article.Clinical Trial.
Mars M, van Rossum CT, de Graaf C, Hoebee B, De Groot LC, Kok FJ.Mars M, et al. Among authors: kok fj.Obes Res. 2004 Mar;12(3):442-4. doi: 10.1038/oby.2004.49.Obes Res. 2004.PMID: 15044660Free article.
Mars M, de Graaf C, van Rossum CT, de Groot CP, Seidell JC, Kok FJ.Mars M, et al. Among authors: kok fj.Int J Obes Relat Metab Disord. 2003 May;27(5):574-81. doi: 10.1038/sj.ijo.0802266.Int J Obes Relat Metab Disord. 2003.PMID: 12704401
Viskaal-van Dongen M, Kok FJ, de Graaf C.Viskaal-van Dongen M, et al. Among authors: kok fj.Appetite. 2011 Feb;56(1):25-31. doi: 10.1016/j.appet.2010.11.141. Epub 2010 Nov 19.Appetite. 2011.PMID: 21094194Free article.Clinical Trial.
van de Rest O, Geleijnse JM, Kok FJ, van Staveren WA, Dullemeijer C, Olderikkert MG, Beekman AT, de Groot CP.van de Rest O, et al. Among authors: kok fj.Neurology. 2008 Aug 5;71(6):430-8. doi: 10.1212/01.wnl.0000324268.45138.86.Neurology. 2008.PMID: 18678826Clinical Trial.