Variation of Des-Gamma-Carboxyprothrombin (PIVKA-II) Levels in Cord Blood Throughout Gestation - Nishiguchi, Tomizo; Matsuyama, Kaoru; Kobayashi, Takao; Kanayama, Naohiro; Terao, Toshihiko; Maeda, Makoto; Ibara, Satoshi (Seminars in Thrombosis and Hemostasis, 2001)