Validation of the Oxford WebQ online 24-hour dietary questionnaire using biomarkers (American Journal of Epidemiology, 2019)

(untitled) - Greenwood, D; Hardie, L; Frost, G; Alwan, N; Bradbury, K; Carter, M; Elliott, P; Evans, C; Ford, H; Hancock, N; Key, T; Liu, B; et al.