title: Physical fitness and activity as separate heart disease risk factors: a meta-analysis.
authors.forename: S N
authors.initials: SN
authors.lastname: Blair
authors.forename: A S
authors.initials: AS
authors.lastname: Jackson
mesh_terms: D000203:Activities of Daily Living; D002318:Cardiovascular Diseases / Q000209:etiology*; D006801:Humans; D008403:Mass Screening; D010809:Physical Fitness; D012107:Research Design; D012307:Risk Factors; D013223:Statistics as Topic