@article{oai:repo.qst.go.jp:00046447,
 author = {Hasegawa, Tomoyuki and Oda, Keiichi and Satou, Yasusi and Murayama, Hideo and Takei, Hideyuki and et.al and 長谷川 智之 and 村山 秀雄 and 武居 秀行},
 issue = {7},
 journal = {Medical Physics},
 month = {Jul},
 pages = {4414--4422},
 title = {Microfocus X-Ray Imaging of Traceable Pointlike Na-22 Sources for Quality Control},
 volume = {39},
 year = {2012}
}