Hematopoietic Cytokine Levels and In Vitro Colony Formation Assay in Fetal Anemia - Yamada, Hideto; Kato, Emi H; Furuta, Itsuko; Hoshi, Nobuhiko; Koizumi, Kazuki; Sawada, Kenichi; Fujimoto, Seiichiro (Seminars in Thrombosis and Hemostasis, 1998)