RT Journal Article SR Electronic T1 The Development of Algorithms for Preoperative Management of Antiplatelet and Anticoagulation Therapy in Patients Undergoing Surgical or Invasive Procedures JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP eS39 OP eS39 VO 76 IS 2 esuppl 1 A1 McGowan, Catherine A1 Kidik, Patricia YR 2009 UL http://www.ccjm.org/content/76/2_esuppl_1/eS39.abstract AB