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Dik MG, Jonker C, Comijs HC, Bouter LM, Twisk JW, van Kamp GJ, Deeg DJ.Dik MG, et al. Among authors: twisk jw.Neurology. 2001 Dec 26;57(12):2217-22. doi: 10.1212/wnl.57.12.2217.Neurology. 2001.PMID: 11756600
Hoogendoorn WE, Bongers PM, de Vet HC, Twisk JW, van Mechelen W, Bouter LM.Hoogendoorn WE, et al. Among authors: twisk jw.Occup Environ Med. 2002 Jul;59(7):459-65. doi: 10.1136/oem.59.7.459.Occup Environ Med. 2002.PMID: 12107294Free PMC article.
Bernaards CM, Twisk JW, Snel J, van Mechelen W, Lips P, Kemper HC.Bernaards CM, et al. Among authors: twisk jw.Osteoporos Int. 2004 Sep;15(9):735-41. doi: 10.1007/s00198-004-1603-8. Epub 2004 Feb 28.Osteoporos Int. 2004.PMID: 14997288
Verhagen E, van der Beek A, Twisk J, Bouter L, Bahr R, van Mechelen W.Verhagen E, et al.Am J Sports Med. 2004 Sep;32(6):1385-93. doi: 10.1177/0363546503262177. Epub 2004 Jul 20.Am J Sports Med. 2004.PMID: 15310562Clinical Trial.