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van der Zwaard BC, Elders PJ, Knol DL, Gorter KJ, Peeraer L, van der Windt DA, van der Horst HE.van der Zwaard BC, et al. Among authors: knol dl.J Foot Ankle Res. 2011 Mar 31;4(1):11. doi: 10.1186/1757-1146-4-11.J Foot Ankle Res. 2011.PMID: 21453476Free PMC article.
Reinders ME, Blankenstein AH, van Marwijk HW, Knol DL, Ram P, van der Horst HE, de Vet HC, van der Vleuten CP.Reinders ME, et al. Among authors: knol dl.Med Educ. 2011 Jun;45(6):578-84. doi: 10.1111/j.1365-2923.2010.03917.x.Med Educ. 2011.PMID: 21564197
Schweitzer B, Blankenstein N, Slort W, Knol DL, Deliens L, Van Der Horst H.Schweitzer B, et al. Among authors: knol dl.Scand J Prim Health Care. 2016 Jun;34(2):186-95. doi: 10.3109/02813432.2016.1163036. Epub 2016 Apr 19.Scand J Prim Health Care. 2016.PMID: 27092979Free PMC article.Clinical Trial.