title: Epidemiological studies in nutrition: utility and limitations.
authors.affiliation: Health Promotion Directorate, Health and Welfare, Tanney's Pasture, Ottawa, Ontario, Canada.
authors.forename: H L
authors.initials: HL
authors.lastname: Johansen
authors.forename: C I
authors.initials: CI
authors.lastname: Neutel
mesh_terms: D000328:Adult; D000368:Aged; D004032:Diet; D004812:Epidemiologic Methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D012107:Research Design; D013223:Statistics as Topic