Crucial role of hypoxia inducible factor in embryo implantation. (November 2015) - Matsumoto, Leona; Hirota, Yasushi; Saito-Fujita, Tomoko; Haraguchi, Hirofumi; Egashira, Mahiro; Matsuo, Mitsunori; Hiraoka, Takehiro; Tanaka, Tomoki; Takeda, Norihiko; Osuga, Yutaka; Fujii, Tomoyuki