title: Fast neutron therapy for locally advanced head and neck tumors.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000401:mortality / Q000532:radiotherapy*; D002986:Clinical Trials as Topic; D004601:Elementary Particles; D005214:Fast Neutrons; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D006801:Humans; D008207:Lymphatic Metastasis; D009502:Neutrons; D011446:Prospective Studies; D011879:Radiotherapy Dosage; D011897:Random Allocation