title: Foreword. The validity of dietary assessment methods for use in epidemiologic studies.
authors.forename: Walter
authors.initials: W
authors.lastname: Willett
mesh_terms: D004032:Diet; D004034:Diet Surveys; D004812:Epidemiologic Methods; D006801:Humans; D015596:Nutrition Assessment; D052756:Nutritional Sciences / Q000592:standards*; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires