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Reproducibility and validity of a food frequency questionnaire among pregnant women in a Mediterranean area

Jesús Vioque*, Eva-María Navarrete-Muñoz, Daniel Gimenez-Monzó, Manuela García-de-la-Hera, Fernando Granado, Ian S Young, Rosa Ramón, Ferran Ballester, Mario Murcia, Marisa Rebagliato, Carmen Iñiguez and INMA-Valencia Cohort Study

Nutrition Journal 2013, 12:26  doi:10.1186/1475-2891-12-26

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