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den Ouden DJ, Dirkzwager AJ, Yzermans CJ.den Ouden DJ, et al.Scand J Prim Health Care. 2005 Sep;23(3):137-41. doi: 10.1080/02813430500202454.Scand J Prim Health Care. 2005.PMID: 16162464Free article.
den Ouden DJ, van der Velden PG, Grievink L, Morren M, Dirkzwager AJ, Yzermans CJ.den Ouden DJ, et al.BMC Public Health. 2007 Jul 24;7:173. doi: 10.1186/1471-2458-7-173.BMC Public Health. 2007.PMID: 17650339Free PMC article.
Soeteman RJ, Yzermans CJ, Kerssens JJ, Dirkzwager AJ, Donker GA, ten Veen PM, van den Bosch WJ, van der Zee J.Soeteman RJ, et al.J Am Board Fam Med. 2007 Nov-Dec;20(6):548-56. doi: 10.3122/jabfm.2007.06.060067.J Am Board Fam Med. 2007.PMID: 17954862Free article.