title: The extended source model in the calculation of the primary component of the dose of telecobalt radiation.
mesh_terms: D003037:Cobalt Radioisotopes / Q000627:therapeutic use; D008433:Mathematics; D008962:Models, Theoretical; D011867:Radioisotope Teletherapy / Q000379:methods*; D011879:Radiotherapy Dosage
chemical_list: D003037:Cobalt Radioisotopes