Impaired anticoagulant response to infusion of thrombin in atherosclerotic monkeys associated with acquired defects in the protein C system - Lentz, SR; Fernandez, JA; Griffin, JH; Piegors, DJ; Erger, RA; Malinow, MR; Heistad, DD (Arterioscler Thromb Vasc Biol, 1999)