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Bramsen I, van der Ploeg HM, Twisk JW.Bramsen I, et al. Among authors: twisk jw.J Consult Clin Psychol. 2002 Feb;70(1):241-5.J Consult Clin Psychol. 2002.PMID: 11862996
Proper KI, van der Beek AJ, Hildebrandt VH, Twisk JW, van Mechelen W.Proper KI, et al. Among authors: twisk jw.Br J Sports Med. 2003 Dec;37(6):529-34. doi: 10.1136/bjsm.37.6.529.Br J Sports Med. 2003.PMID: 14665593Free PMC article.Clinical Trial.
Stranders I, Diamant M, van Gelder RE, Spruijt HJ, Twisk JW, Heine RJ, Visser FC.Stranders I, et al. Among authors: twisk jw.Arch Intern Med. 2004 May 10;164(9):982-8. doi: 10.1001/archinte.164.9.982.Arch Intern Med. 2004.PMID: 15136307
Valk GD, Renders CM, Kriegsman DM, Newton KM, Twisk JW, van Eijk JT, van der Wal G, Wagner EH.Valk GD, et al. Among authors: twisk jw.Health Serv Res. 2004 Aug;39(4 Pt 1):709-25. doi: 10.1111/j.1475-6773.2004.00254.x.Health Serv Res. 2004.PMID: 15230924Free PMC article.
Koppes LL, Twisk JW, Snel J, Van Mechelen W, Kemper HC.Koppes LL, et al. Among authors: twisk jw.Subst Use Misuse. 2004 Jun;39(7):1041-60. doi: 10.1081/ja-120030061.Subst Use Misuse. 2004.PMID: 15387203