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Okada A, Kai O.Okada A, et al. Among authors: kai o.Asian J Androl. 2008 Mar;10(2):271-6. doi: 10.1111/j.1745-7262.2008.00292.x.Asian J Androl. 2008.PMID: 18286211Free article.
Okada A, Niwa Y, Katase T, Kai O.Okada A, et al. Among authors: kai o.Exp Anim. 2009 Oct;58(5):533-6. doi: 10.1538/expanim.58.533.Exp Anim. 2009.PMID: 19897937Free article.
Kai O, Hiramatsu Y, Sonoda Y, Sensui N, Imai K.Kai O, et al.Exp Anim. 1997 Apr;46(2):157-9. doi: 10.1538/expanim.46.157.Exp Anim. 1997.PMID: 9145297Free article.
Kai O, Sakemi K, Suzuki Y, Sonoda Y, Imai K.Kai O, et al.Exp Anim. 1995 Oct;44(4):307-13. doi: 10.1538/expanim.44.307.Exp Anim. 1995.PMID: 8575545Free article.
Kai O, Nagase H, Suzuki M, Kakegawa T, Sato K.Kai O, et al.Vet Immunol Immunopathol. 1993 Mar;36(2):123-35. doi: 10.1016/0165-2427(93)90102-a.Vet Immunol Immunopathol. 1993.PMID: 8475619
Ukaji T, Sumiyama D, Kai O.Ukaji T, et al. Among authors: kai o.Anim Sci J. 2011 Oct;82(5):713-6. doi: 10.1111/j.1740-0929.2011.00938.x. Epub 2011 Aug 16.Anim Sci J. 2011.PMID: 21951909
Ukaji T, Hashimoto M, Kai O.Ukaji T, et al. Among authors: kai o.Exp Anim. 2015;64(2):199-205. doi: 10.1538/expanim.14-0078. Epub 2015 Feb 10.Exp Anim. 2015.PMID: 25739359Free PMC article.