title: Radioactivity in the service of man.
mesh_terms: D000818:Animals; D004781:Environmental Exposure; D006801:Humans; D007953:Leukemia, Radiation-Induced; D008452:Maximum Allowable Concentration; D009381:Neoplasms, Radiation-Induced; D009683:Nuclear Medicine; D011827:Radiation; D011830:Radiation Effects; D011863:Radioimmunoassay; D011868:Radioisotopes
chemical_list: D011868:Radioisotopes