title: Thromboembolism prophylaxis in chronic atrial fibrillation: practice patterns in community and tertiary-care hospitals.
authors.forename: T O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D000368:Aged; D000925:Anticoagulants / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D002908:Chronic Disease; D006761:Hospitals; D006764:Hospitals, Community; D006801:Humans; D010818:Practice Patterns, Physicians'; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants