title: Unorthodox fractionation in the treatment of head and neck tumors.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000401:mortality / Q000532:radiotherapy*; D003037:Cobalt Radioisotopes / Q000627:therapeutic use; D005260:Female; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010166:Palliative Care; D011882:Radiotherapy, High-Energy / Q000379:methods
chemical_list: D003037:Cobalt Radioisotopes