The EPIC-Norfolk Study

 

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 macronutrient intakes estimated with the doubly labeled water, urinary nitrogen, and repeated 24-h dietary recall methods.

Kroke A, Klipstein-Grobusch K, Voss S, Möseneder J, Thielecke F, Noack R, and Boeing H

The American Journal of Clinical Nutrition. Sep 1999

(DOI : 10.1093/ajcn/70.4.439)

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