RT Journal Article SR Electronic T1 Should patients on long-term warfarin take aspirin for heart disease? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 206 OP 208 VO 75 IS 3 A1 Madhwal, Surabhi A1 Lincoff, A. Michael A1 Rolston, David D.K. YR 2008 UL http://www.ccjm.org/content/75/3/206.abstract AB