title: Specificity in dietary population research.
authors.forename: Gary E
authors.initials: GE
authors.lastname: Fraser
authors.forename: Terry
authors.initials: T
authors.lastname: Butler
mesh_terms: D003625:Data Collection / Q000379:methods* / Q000706:statistics & numerical data*; D004812:Epidemiologic Methods; D006801:Humans; D015596:Nutrition Assessment; D011159:Population Surveillance; D012680:Sensitivity and Specificity