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Mokkenstorm J, Franx G, Gilissen R, Kerkhof A, Smit JH.Mokkenstorm J, et al. Among authors: kerkhof a.Int J Environ Res Public Health. 2018 May 3;15(5):910. doi: 10.3390/ijerph15050910.Int J Environ Res Public Health. 2018.PMID: 29751572Free PMC article.
de Beurs DP, de Groot MH, de Keijser J, Verwey B, Mokkenstorm J, Twisk JW, van Duijn E, van Hemert AM, Verlinde L, Spijker J, van Luijn B, Vink J, Kerkhof AJ.de Beurs DP, et al.Trials. 2013 Jan 9;14:9. doi: 10.1186/1745-6215-14-9.Trials. 2013.PMID: 23302322Free PMC article.Clinical Trial.
de Beurs DP, de Groot MH, Bosmans JE, de Keijser J, Mokkenstorm J, Verwey B, van Duijn E, de Winter RF, Kerkhof AJ.de Beurs DP, et al.Trials. 2013 Nov 6;14:372. doi: 10.1186/1745-6215-14-372.Trials. 2013.PMID: 24195781Free PMC article.Clinical Trial.