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van Mook WN, de Grave WS, Huijssen-Huisman E, de Witt-Luth M, Dolmans DH, Muijtjens AM, Schuwirth LW, van der Vleuten CP.van Mook WN, et al. Among authors: muijtjens am.Med Educ. 2007 Sep;41(9):849-56. doi: 10.1111/j.1365-2923.2007.02849.x.Med Educ. 2007.PMID: 17727525