Comparison of women’s diet assessed by FFQs and 24-hour recalls with and without underreporters: associations with biomarkers

Olafsdottir AS, Thorsdottir I, Gunnarsdottir I, Thorgeirsdottir H, Steingrimsdottir L. Comparison of women’s diet assessed by FFQs and 24-hour recalls with and without underreporters: associations with biomarkers. Ann Nutr Metab. 2006; 50: 450-60.