title: Re: "Validity of exposure data derived from a structured questionnaire".
authors.forename: J W
authors.initials: JW
authors.lastname: van der Gulden
authors.forename: P F
authors.initials: PF
authors.lastname: Vogelzang
authors.forename: J J
authors.initials: JJ
authors.lastname: Kolk
mesh_terms: D002617:Chemical Industry / Q000706:statistics & numerical data; D006801:Humans; D016273:Occupational Exposure / Q000706:statistics & numerical data*; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires