title: Update on biological effects of low level radiation.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D004307:Dose-Response Relationship, Radiation; D004735:Energy Transfer; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011829:Radiation Dosage; D011830:Radiation Effects; D011839:Radiation, Ionizing; D012306:Risk