@misc{oai:repo.qst.go.jp:00059611, author = {今岡, 達彦 and 西村, まゆみ and 永井, 絢也 and 柿沼, 志津子 and 島田, 義也 and 今岡 達彦 and 西村 まゆみ and 永井 絢也 and 柿沼 志津子 and 島田 義也}, month = {Apr}, note = {To obtain basic information on the heavy ion-induced mammary carcinogenesis, we irradiated female rats of four strains (Sprague-Dawley, F344, Wistar and ACI/N) with 290 MeV carbon beam (dose rate 5 Gy/min, LET 50 keV/?) at doses of 0, 0.5, 1 and 2 Gy, and examined mammary tumor development up to 300 days. Three quarters of the observation has been completed so far. At present, our results suggest the strain and dose dependency of the mammary tumor development and latency., 平成14年度放射線医学総合研究所重粒子線がん治療装置等共同利用研究発表会}, title = {重粒子線による乳がん発生に関する研究}, year = {2003} }