Thromboelastograms of recalcified mouse whole blood samples. (A) Resting WT blood. (B) Resting PC^−/−PC(tg4)/TF^−/−hTF(tg) blood. (C) Resting TF^−/−hTF(tg) blood. (D) Resting PC^−/−PC(tg785) blood. The parameters measured are shown in (A) and include R (min), K (min), A° (degrees), and MA (mm). *P < .05.