Anticoagulant Activity in Non-Immunoglobulin Fraction from Plasma of Patients with Antiphospholipid Syndrome - Sugimura, Motoi; Su, Fan; Kanayama, Naohiro; Kobayashi, Hiroshi; Kobayashi, Takao; Terao, Toshihiko (Seminars in Thrombosis and Hemostasis, 1998)