title: Observational studies can help fill important gaps in understanding and treating cardiovascular disease in the elderly.
authors.forename: Michael
authors.initials: M
authors.lastname: Weber
authors.forename: Nanette K
authors.initials: NK
authors.lastname: Wenger
authors.forename: Stephen
authors.initials: S
authors.lastname: Scheidt
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000740:Anemia; D002318:Cardiovascular Diseases / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D019370:Observation; D011379:Prognosis