Protocol for Birmingham Atrial Fibrillation Treatment of the Aged study (BAFTA): a randomised controlled trial of warfarin versus aspirin for stroke prevention in the management of atrial fibrillation in an elderly primary care population [ISRCTN89345269]
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* Corresponding author: Jonathan WF Mant j.w.mant@bham.ac.uk
BMC Cardiovascular Disorders 2003, 3:9 doi:10.1186/1471-2261-3-9