In a recent editorial, Kristal et al. ([1][1]) asked whether it is time to abandon the food frequency questionnaire (FFQ) for studies of diet and cancer. They highlighted three recent “developments” to cast doubt on the value of the FFQ. The first is the “growing lack of consistency both
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Alessandra Tavani, Eva Negri, Monica Ferraroni, Barbara D’Avanzo, Adriano Decarli, Attilio Giacosa, Carlo La Vecchia, Oriana Nanni, Maria Parpinel, Simonetta Salvini, Renato Talamini, Silvia Franceschi
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