Relative validity of a short qualitative food frequency questionnaire for use in food consumption surveys

de Keyzer, WDekkers, Avan Vlaslaer, VOttevaere, Cvan Oyen, Hde Henauw, SHuybrechts, I2025-03-242025-03-2420132284361110.1093/eurpub/cks096https://rivm.openrepository.com/handle/10029/647351Relative validity of a short qualitative food frequency questionnaire for use in food consumption surveysArticleEur J Public Health 2013; 23(5):737-422025-03-24