title: Selection bias in cohorts of cases.
authors.forename: C Mary
authors.initials: CM
authors.lastname: Schooling
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Cowling
authors.forename: Heidi E
authors.initials: HE
authors.lastname: Jones
mesh_terms: D002318:Cardiovascular Diseases / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D050177:Overweight / Q000453:epidemiology*
keywords: Cardiovascular disease; Obesity; Study design