title: Correction of percentage depth dose for varying SSD for 8 MV x rays and 60 Co gamma rays.
mesh_terms: D003037:Cobalt Radioisotopes; D005720:Gamma Rays; D006801:Humans; D008433:Mathematics; D008722:Methods; D011827:Radiation; D011879:Radiotherapy Dosage; D012867:Skin / Q000528:radiation effects; D014965:X-Rays
chemical_list: D003037:Cobalt Radioisotopes