title: [Studies on the improvement of radiotherapy of lung cancer (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D003037:Cobalt Radioisotopes / Q000627:therapeutic use; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy*; D008722:Methods; D008875:Middle Aged; D010100:Oxygen / Q000627:therapeutic use
chemical_list: D003037:Cobalt Radioisotopes; D010100:Oxygen