title: A critical evaluation of the duplicate-portion technique in dietary surveys.
authors.affiliation: Department of Clinical Nutrition, University of Göteborg, Annedalsklinikerna, Sahlgrenska Hospital, Sweden.
authors.forename: B
authors.initials: B
authors.lastname: Isaksson
mesh_terms: D003625:Data Collection / Q000379:methods* / Q000592:standards; D004034:Diet Surveys; D005069:Evaluation Studies as Topic; D005247:Feeding Behavior; D005504:Food Analysis; D006801:Humans