title: Comments on Bigu's 'Relationship of 220Rn and 222Rn Progeny Levels in Canadian Underground U Mines'.
authors.forename: J R
authors.initials: JR
authors.lastname: Johnson
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D000396:Air Pollutants, Radioactive / Q000032:analysis*; D002170:Canada; D004781:Environmental Exposure; D006801:Humans; D008906:Mining; D011886:Radon / Q000032:analysis*; D014501:Uranium
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D000396:Air Pollutants, Radioactive; D014501:Uranium; D011886:Radon