Induction of monocyte tissue factor procoagulant activity during coronary artery bypass surgery is reduced with heparin-coated extracorporeal circuit - Barstad, RM; Øvrum, E; L-Ringdal, MA; Øystese, R; Hamers, MJAG; Veiby, OP; Rolfsen, T; Stephens, RW; Sakariassen, KS (Br J Haemat, 1996)