Show 250 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "validation" cql: author exact 801001228422 or (type exact bookEditor and editor exact 801001228422) Add to list Journal Article A1 Reproducibility and relative validity of a semi-quantitative food frequency questionnaire designed for assessing the intake of dioxin-like contaminants Maaike Bilau, Christophe Matthys (UGent) , Mia Bellemans (UGent) , Melissa De Neve (UGent) , Jan Willems (UGent) and Stefaan De Henauw (UGent) (2008) ENVIRONMENTAL RESEARCH. 108(3). p.327-333 Add to list Journal Article A1 Validity and reproducibility of an adolescent Web-based food frequency questionnaire Christophe Matthys (UGent) , Ilse Pynaert, Willem De Keyzer (UGent) and Stefaan De Henauw (UGent) (2007) JOURNAL OF THE AMERICAN DIETETIC ASSOCIATION. 107(4). p.605-610