title: A DOUBLE-HEADED FIXED BEAM TELETHERAPY MACHINE FOR LOW COST MEGAVOLTAGE THERAPY.
mesh_terms: D003036:Cobalt Isotopes; D004469:Economics, Hospital; D004865:Equipment and Supplies, Hospital; D006257:Head; D011867:Radioisotope Teletherapy; D011882:Radiotherapy, High-Energy
chemical_list: D003036:Cobalt Isotopes
keywords: COBALT ISOTOPES; ECONOMICS, HOSPITAL; HOSPITAL EQUIPMENT AND SUPPLIES; RADIOISOTOPE TELETHERAPY; RADIOTHERAPY, HIGH ENERGY