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

      Vioque, Jesus; Navarrete-Muñoz, Eva María; Giménez Monzó, Daniel; Garcia de la Hera, Manuela; Granado, Fernando; Young, Ian S.; Ramón, Rosa; Ballester, Ferran; Murcia, Mario; Rebagliato, Marisa; Iñiguez, Carmen; INMA-Valencia Cohort Study BioMed Central (2013)
      Background: Studies exploring the role of diet during pregnancy are still scarce, in part due to the complexity of measuring diet and to the lack of valid instruments. The aim of this study was to examine the reproducibility ...