title: An epidemiological investigation of mutational diseases in the high background radiation area of Yangjiang, China.
mesh_terms: D000016:Abnormalities, Radiation-Induced / Q000453:epidemiology*; D000328:Adult; D001417:Background Radiation; D002648:Child; D002675:Child, Preschool; D002681:China; D002869:Chromosome Aberrations; D003430:Cross-Sectional Studies; D004314:Down Syndrome / Q000453:epidemiology; D006801:Humans; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology / Q000401:mortality; D011839:Radiation, Ionizing