Coagulation Index to Distinguish Severe Preeclampsia from Normal Pregnancy - Kobayashi, Takao; Sumimoto, Kazuhiro; Tokunaga, Naoki; Sugimura, Motoi; Nishiguchi, Tomizo; Kanayama, Naohiro; Terao, Toshihiko (Seminars in Thrombosis and Hemostasis, 2002)