title: Comment on NCRP report no. 53.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005298:Fertility / Q000528:radiation effects; D005333:Fetus / Q000528:radiation effects; D006801:Humans; D008452:Maximum Allowable Concentration; D011247:Pregnancy; D011835:Radiation Protection / Q000592:standards*; D011872:Radiology Department, Hospital; D013679:Technology, Radiologic