title: Radioactivity in the service of humanity.
mesh_terms: D000368:Aged; D002648:Child; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology; D011830:Radiation Effects; D011863:Radioimmunoassay / Q000266:history; D014481:United States