@article{oai:repo.qst.go.jp:00043578,
 author = {Wanapongse, Paitoon and Thamrong, Harnwongse and Adung, Sriratanabal and Tokonami, Shinji and Bovornkitti, Somchai and 床次 眞司},
 issue = {2},
 journal = {Internal Medicine Journal of Thailand},
 month = {},
 pages = {104--107},
 title = {Seasonal Variation of Ambient Radon Levels : A Study in Mae Hong Son Province},
 volume = {20},
 year = {2004}
}