title: NAS study on radiation takes the middle road.
mesh_terms: D000013:Congenital Abnormalities / Q000209:etiology; D004307:Dose-Response Relationship, Radiation; D006801:Humans; D008452:Maximum Allowable Concentration; D009381:Neoplasms, Radiation-Induced / Q000209:etiology; D011832:Radiation Injuries / Q000209:etiology*; D012306:Risk; D012958:Societies, Scientific; D014481:United States