title: Isocaloric diets are of primary interest in experimental and epidemiological studies.
authors.forename: Walter
authors.initials: W
authors.lastname: Willett
mesh_terms: D015415:Biomarkers; D002149:Energy Intake; D006801:Humans; D009749:Nutrition Surveys; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires
chemical_list: D015415:Biomarkers