Media type: E-Article Title: Relative validation of a food frequency questionnaire to estimate food intake in an adult population Contributor: Steinemann, Nina; Grize, Leticia; Ziesemer, Katrin; Kauf, Peter; Probst-Hensch, Nicole; Brombach, Christine imprint: SNF Swedish Nutrition Foundation, 2017 Published in: Food & Nutrition Research Language: English DOI: 10.1080/16546628.2017.1305193 ISSN: 1654-6628; 1654-661X Origination: Footnote: Access State: Open Access