Severe Early-Onset Vitamin K Deficiency Bleeding in a Neonate Born to a Mother with Crohn's Disease in Clinical Remission: A Case Report oleh Chiho Ikenaga, Ryosuke Uchi, Fumihiko Ishida, Michisato Hirata, Kazuhiro Iwama, Shinichiro Ina, Yuko Tatsuno, Takahiro Kemmotsu, Jun Shibasaki, Shuichi Ito