title: Secondary radiation from supervoltage accelerators-its implications in patient protection.
mesh_terms: D006801:Humans; D007854:Lead; D008297:Male; D011467:Prostate / Q000528:radiation effects; D011829:Radiation Dosage; D011832:Radiation Injuries / Q000517:prevention & control; D011835:Radiation Protection; D013737:Testis / Q000528:radiation effects
chemical_list: D007854:Lead