title: Second report on results of a randomised clinical trial of fast neutrons compared with chi or gamma rays in treatment of advanced tumours of head and neck.
mesh_terms: D005214:Fast Neutrons / Q000627:therapeutic use; D005720:Gamma Rays / Q000627:therapeutic use; D006258:Head and Neck Neoplasms / Q000532:radiotherapy*; D006801:Humans; D014964:X-Ray Therapy