Calibration of the food list and portion sizes of a food frequency questionnaire applied to free-living elderly people - Pfrimer, Karina; Sartorelli, Daniela Saes; Rosa, Flavia Troncon; Resende, Cristina Maria Mendes; Pallos, Daniela Vieira; Rabito, Estela Iraci; Scagliusi, Fernanda Baeza; Moriguti, Eny Kiyomi Uemora; Monteiro, Jacqueline Pontes; Ferrioli, Eduardo (Nutrition, 2013)