title: [Development of the head and neck immobilization device, using rigid polyurethane foam].
mesh_terms: D000368:Aged; D006258:Head and Neck Neoplasms / Q000532:radiotherapy*; D006801:Humans; D007103:Immobilization; D008297:Male; D011140:Polyurethanes; D011878:Radiotherapy / Q000295:instrumentation*; D011879:Radiotherapy Dosage
chemical_list: D011140:Polyurethanes; C028279:polyurethane foam