@misc{oai:repo.qst.go.jp:00068756, author = {Imai, Reiko and Kamada, Tadashi and Tsuji, Hiroshi and Kagei, Kenji and Tsujii, Hirohiko and 今井 礼子 and 鎌田 正 and 辻 比呂志 and 影井 兼司 and 辻井 博彦}, month = {Nov}, note = {CTOS 12th Annual Meeting}, title = {Carbon ion radiotherapy for unresectable sacral chordoma}, year = {2006} }