title: Cancer of the head and neck. Nasopharyngeal cancer. Split dose radiotherapy.
mesh_terms: D002574:Cervical Vertebrae / Q000528:radiation effects; D006801:Humans; D008722:Methods; D009092:Mucous Membrane / Q000528:radiation effects; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D010025:Osteoradionecrosis / Q000209:etiology; D011855:Radiodermatitis / Q000209:etiology; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000009:adverse effects*; D013997:Time Factors