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Using national dietary intake data to evaluate and adapt the US Diet History Questionnaire: The stepwise tailoring of an FFQ for Canadian use

Authors: Ilona Csizmadi, Beatrice A. Boucher, Geraldine Lo Siou, Isabelle Massarelli, Isabelle Rondeau, Didier Garriguet, Anita Koushik, Janine Elenko, and Amy F. Subar