Hemostatic effects of 1 mg daily warfarin on post CABG patients. Post CABG Studies Investigators - Walenga, JM; Hoppensteadt, D; Pifarre, R; Cressman, MD; Hunninghake, DB; Fox, NL; Terrin, ML; Probstfield, JL (J Thromb Thrombolysis, 1999)