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Sakurabayashi M, Amano K, Yoshida M, Owada F, Miyai K.Sakurabayashi M, et al.Acta Obstet Gynaecol Jpn. 1969 Jan;16(1):34-44.Acta Obstet Gynaecol Jpn. 1969.PMID: 5818938No abstract available.