title: Problems involved in detecting increased malignancy rates in areas of high natural radiation background.
mesh_terms: D000367:Age Factors; D001417:Background Radiation; D006801:Humans; D007194:India; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology*; D011930:Reaction Time; D012737:Sex Factors; D013997:Time Factors