The EPIC-Norfolk Study

 

Validation of dietary assessment methods in the UK arm of EPIC using weighed records, and 24-hour urinary nitrogen and potassium and serum vitamin C and carotenoids as biomarkers.

Bingham SA, Gill C, Welch A, Cassidy A, Runswick SA, Oakes S, Lubin R, Thurnham DI, Key TJ, Roe L, Khaw KT, and Day NE

International Journal of Epidemiology. Jan 1997

(DOI : 10.1093/ije/26.suppl_1.s137)

---