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Nakada Y, Hyakuna N, Suzuki Y, Shimozawa N, Takaesu E, Ikema R, Hirayama K.Nakada Y, et al. Among authors: hirayama k.Brain Dev. 1993 Nov-Dec;15(6):453-6. doi: 10.1016/0387-7604(93)90087-o.Brain Dev. 1993.PMID: 8147505
Hirayasu K, Nakada Y, Takaesu E, Kamiya K, Hirayama K.Hirayasu K, et al. Among authors: hirayama k.No To Hattatsu. 1999 Jan;31(1):27-31.No To Hattatsu. 1999.PMID: 10025131Japanese.
Araki S, Kawamura M, Isono O, Honda H, Shiota J, Hirayama K.Araki S, et al. Among authors: hirayama k.No To Shinkei. 1990 Jan;42(1):65-72.No To Shinkei. 1990.PMID: 2337490Japanese.