@article{oai:repo.qst.go.jp:00044297,
 author = {Suzuki, Kazutoshi and Yoshida, Yuichirou and 鈴木 和年 and 吉田 勇一郎},
 issue = {3},
 journal = {Applied Radiation and Isotopes},
 month = {},
 pages = {497--503},
 title = {Production of [13N]NH3 with ultra-high specific activity},
 volume = {50},
 year = {1999}
}