title: Epidemiology and natural history of venous thromboembolism.
authors.affiliation: Department of Medicine, College of Medicine, University of Arizona Health Sciences Center, Tucson 85724.
authors.forename: J S
authors.initials: JS
authors.lastname: Alpert
authors.forename: J E
authors.initials: JE
authors.lastname: Dalen
mesh_terms: D006801:Humans; D013923:Thromboembolism / Q000453:epidemiology*