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Janssens HJ, van de Lisdonk EH, Bor H, van den Hoogen HJ, Janssen M.Janssens HJ, et al.Fam Pract. 2003 Aug;20(4):413-6. doi: 10.1093/fampra/cmg413.Fam Pract. 2003.PMID: 12876112
Janssens HJ, van de Lisdonk EH, Janssen M, van den Hoogen HJ, Verbeek AL.Janssens HJ, et al.Ann Rheum Dis. 2006 Aug;65(8):1080-3. doi: 10.1136/ard.2005.040360. Epub 2005 Nov 16.Ann Rheum Dis. 2006.PMID: 16291814Free PMC article.
Janssens HJ, van de Lisdonk EH, Janssen M, van den Hoogen HJ, Verbeek AL.Janssens HJ, et al.Ned Tijdschr Geneeskd. 2007 Feb 24;151(8):472-7.Ned Tijdschr Geneeskd. 2007.PMID: 17378304Dutch.
Janssens HJ, Janssen M, van de Lisdonk EH, van Riel PL, van Weel C.Janssens HJ, et al.Lancet. 2008 May 31;371(9627):1854-60. doi: 10.1016/S0140-6736(08)60799-0.Lancet. 2008.PMID: 18514729Clinical Trial.
Janssens HJ, Janssen M, van de Lisdonk EH, Fransen J, van Riel PL, van Weel C.Janssens HJ, et al.Ann Rheum Dis. 2010 Jun;69(6):1255-6. doi: 10.1136/ard.2009.123687. Epub 2009 Nov 11.Ann Rheum Dis. 2010.PMID: 19910298No abstract available.