title: Fast neutrons in radiotherapy.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D005069:Evaluation Studies as Topic; D005214:Fast Neutrons; D006258:Head and Neck Neoplasms / Q000532:radiotherapy; D006801:Humans; D009502:Neutrons; D011878:Radiotherapy / Q000379:methods*