title: More comments on Rn risk estimates in NCRP Report No. 77.
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009381:Neoplasms, Radiation-Induced / Q000401:mortality*; D011886:Radon; D012306:Risk; D014481:United States
chemical_list: D011886:Radon