title: [Use of exhaled thoron activity measurement system in radiological labor hygiene].
authors.forename: Yong-e
authors.initials: YE
authors.lastname: Cheng
authors.forename: Xing-an
authors.initials: XA
authors.lastname: Chen
mesh_terms: D001944:Breath Tests; D006801:Humans; D008906:Mining; D011009:Pneumoconiosis / Q000175:diagnosis; D011886:Radon / Q000032:analysis*
chemical_list: D011886:Radon