title: Low-level radiation and childhood leukemia.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D005333:Fetus / Q000528:radiation effects*; D006801:Humans; D007223:Infant; D007953:Leukemia, Radiation-Induced / Q000175:diagnosis; D011247:Pregnancy; D011829:Radiation Dosage; D011830:Radiation Effects