title: Long-term anticoagulation therapy for atrial fibrillation in elderly patients: efficacy, risk, and current patterns of use.
authors.affiliation: Section for Health Services Research, Division of General Medicine/Primary Care/Geriatrics and the Meyers Primary Care Institute, University of Massachussetts Medical Center and the Fallon Healthcare System, Boston, USA.
authors.forename: D
authors.initials: D
authors.lastname: McCormick
authors.forename: J H
authors.initials: JH
authors.lastname: Gurwitz
authors.forename: R J
authors.initials: RJ
authors.lastname: Goldberg
authors.forename: J
authors.initials: J
authors.lastname: Ansell
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000925:Anticoagulants / Q000009:adverse effects / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D016903:Drug Monitoring; D006470:Hemorrhage / Q000139:chemically induced; D006801:Humans; D017410:Practice Guidelines as Topic; D011517:Prothrombin Time; D011785:Quality Assurance, Health Care; D012307:Risk Factors; D020521:Stroke / Q000453:epidemiology / Q000517:prevention & control
chemical_list: D000925:Anticoagulants