title: Iridium-192 afterloaded implant in the retreatment of head and neck cancers.
mesh_terms: D006258:Head and Neck Neoplasms / Q000532:radiotherapy*; D006801:Humans; D007495:Iridium / Q000627:therapeutic use*; D008722:Methods; D009364:Neoplasm Recurrence, Local / Q000532:radiotherapy*; D011868:Radioisotopes / Q000627:therapeutic use*
chemical_list: D011868:Radioisotopes; D007495:Iridium