title: Validity of a self-administered, semiquantitative food frequency questionnaire.
authors.affiliation: DISTAM, Division of Human Nutrition, University of Milano, Italy.
authors.forename: M
authors.initials: M
authors.lastname: Porrini
authors.forename: M G
authors.initials: MG
authors.lastname: Gentile
authors.forename: F
authors.initials: F
authors.lastname: Fidanza
mesh_terms: D000293:Adolescent; D000328:Adult; D015930:Diet Records; D004435:Eating; D005260:Female; D006801:Humans; D008297:Male; D015596:Nutrition Assessment; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires