Food photographs: practical guidelines I. Design and analysis of studies to validate portion size estimates.
Nelson
M
M
Department of Nutrition and Dietetics, King's College London, UK. michael.nelson@kcl.ac.uk
Haraldsdóttir
J
J
D000328:Adult; D002648:Child; D015930:Diet Records; D004034:Diet Surveys; D005247:Feeding Behavior; D005260:Female; D017408:Guidelines as Topic; D006801:Humans; D008297:Male; D011939:Mental Recall; D010781:Photography; D015203:Reproducibility of Results