Original Research

Relative Validation of a Four Weeks Retrospective Food Frequency Questionnaire versus 7-Day Paper-Based Food Records in Estimating the Intake of Energy and Nutrients in Adults

Serban CL, Banu AM, Putnoky S, Butica SI, Niculescu MD, Putnoky S

Nutrition and Dietary Supplements 2021, 13:113-125

Published Date: 23 June 2021