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[文献書誌] Akiko Hasegawa Hiroshi Tsubamoto and Koji Koyama: "Evaluation of the contraceptive potential of recombinant protein and synthetic peptides of zona pellucida (ZP)"J.Mamm.Ova Res.. 16・3. 86-93 (1999)
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[文献書誌] Hiroshi Tsubamoto,Akiko Hasegawa,Yuko Nakata,Shirai Naito,Noriyuki Yamasaki and Koji Koyama: "Expression of recombinant human zona pellucida protein 2 and its binding capacity to spermatozoa"Biol.Reprod.. 61. 1649-1654 (1999)
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[文献書誌] Hiroshi Tsubamoto,Noriyuki Yamasaki,Akiko Hasegawa and KoJii Koyama: "Expression of a recombinant porcine zona pellucida glycoprotein 1 in mammalian cells"Protein Expression and Purification. 17. 8-15 (1999)
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[文献書誌] Akiko Hasegawa,Hiroshi Tsubamoto,Yukari.Hamada and Koji Koyama: "Blocking effect of antisera to recombinant zona pellucida proteins (r-ZPA) on in vitro fertilization"Am.J.Reprod.Immunol. (in press).