Comparative stroke, bleeding, and mortality risks in older Medicare patients treated with oral anticoagulants for nonvalvular atrial fibrillation
David J. Graham MD, MPH , Elande Baro PhD ,Rongmei Zhang PhD , Jiemin Liao MA , Michael Wernecke BA ,Marsha E. Reichman PhD , Mao Hu BS ,Onyekachukwu Illoh OD, MPH , Yuqin Wei MS ,Margie R. Goulding PhD , Yoganand Chillarige MPA , Mary Ross Southworth PharmD , Thomas E. MaCurdy PhD ,Jeffrey A. Kelman MD, MMSc