Warfarin Use among Ambulatory Patients with Nonvalvular Atrial Fibrillation: The AnTicoagulation and Risk Factors in Atrial Fibrillation (ATRIA) Study.
Go, Alan S. MD; Hylek, Elaine M. MD, MPH; Borowsky, Leila H. MPH; Phillips, Kathleen A. BA; Selby, Joe V. MD, MPH; Singer, Daniel E. MD
Annals of Internal Medicine.
131(12):927-934, December 21, 1999.
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