Risk of Stroke in Adults With Cyanotic Congenital Heart Disease
Circulation 87:1954-1959, Perloff,J.K. et al, 1993
Secondary Polycythemia Does Not Increase the Risk of Perioperative Hemorrhagic or Thrombotic Complications
J Clin Anesth 3:99-103, Lubarsky,D.A. et al, 1991