Authors: Kroke, A Klipstein-Grobusch, K Voss, S Moseneder, J Thielecke, F Noack, R Boeing, H

Citation: A. Kroke et al., Validation of a self-administered food-frequency questionnaire administered in the European Prospective Investigation into Cancer and Nutrition (EPIC) Study: comparison of energy, protein, and macronutuient intakes estimatedwith the doubly labeled water, urinary nitrogen, and repeated 24-h dietaryrecall methods, AM J CLIN N, 70(4), 1999, pp. 439-447