3.脳梁離断術の歴史と手術適応(PS-4 てんかん外科の温故創新,プレナリーセッション,第26回 日本脳神経外科コングレス総会) 3.Historical Review of Corpus Callosotomy for Intractable Epilepsy and Surgical Indication(PS-4 Epilepsy Surgery:Creating New, Learning from Old,The 26^<th> Annual Meeting of The Japanese Congress of Neurological Surgeons)