SEARCH Articles Figures Tables Activated prothrombin time Activation of prothrombin Activity of prothrombin Blood coagulation prothrombin activator formation Proteins prothrombin complex activity Prothrombin Prothrombin activation complex Prothrombin activation complex prothrombinase) Prothrombin activator Prothrombin activator Prothrombin activator extrinsic, formation Prothrombin activator intrinsic, formation