Improvement of Vitamin K Status of Breastfeeding Infants with Maternal Supplement of Vitamin K2 (MK40)Tomizo Nishiguchi, Toshihiko Terao, Takao Kobayashi et al.|Seminars in Thrombosis and Hemostasis|2002Cited by 9
Des-Gamma-Carboxyprothrombin (PIVKA-II) Levels in Maternal Serum throughout GestationTomizo Nishiguchi, Naohiro Kanayama, Kaoru Matsuyama et al.|Seminars in Thrombosis and Hemostasis|2005Cited by 2