@article{oai:repo.qst.go.jp:00046102, author = {Hasegawa, Tomoyuki and Wada, Yasuhiro and Yoshida, Eiji and Murayama, Hideo and 長谷川 智之 and 和田 康弘 and 吉田 英治 and 村山 秀雄}, issue = {9}, journal = {Annals of Nuclear Medicine}, month = {Nov}, pages = {655--661}, title = {A practical method of determining cross-calibration factors of PET scanners by moving a point -like 22Na radioactive source}, volume = {24}, year = {2010} }