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Van Zwol A, Van Den Berg A, Knol J, Twisk JW, Fetter WP, Van Elburg RM.Van Zwol A, et al. Among authors: knol j.Acta Paediatr. 2010 Dec;99(12):1868-74. doi: 10.1111/j.1651-2227.2010.01934.x.Acta Paediatr. 2010.PMID: 20626364
Westerbeek EA, van den Berg A, Lafeber HN, Knol J, Fetter WP, van Elburg RM.Westerbeek EA, et al. Among authors: knol j.Clin Nutr. 2006 Jun;25(3):361-8. doi: 10.1016/j.clnu.2006.03.002. Epub 2006 May 4.Clin Nutr. 2006.PMID: 16677741Review.
van den Berg A, van Elburg RM, Westerbeek EA, van der Linde EG, Knol J, Twisk JW, Fetter WP.van den Berg A, et al. Among authors: knol j.Clin Nutr. 2007 Aug;26(4):430-9. doi: 10.1016/j.clnu.2007.03.002. Epub 2007 May 11.Clin Nutr. 2007.PMID: 17499398Clinical Trial.
van der Aa LB, Heymans HS, van Aalderen WM, Sillevis Smitt JH, Knol J, Ben Amor K, Goossens DA, Sprikkelman AB; Synbad Study Group.van der Aa LB, et al. Among authors: knol j.Clin Exp Allergy. 2010 May;40(5):795-804. doi: 10.1111/j.1365-2222.2010.03465.x. Epub 2010 Feb 22.Clin Exp Allergy. 2010.PMID: 20184604Clinical Trial.