Malignant tumours of the nasopharynx. Preliminary results of treatment with high energy roentgen rays (31 MeV betatron).
D009303:Nasopharyngeal Neoplasms; D009369:Neoplasms; D010315:Particle Accelerators; D011878:Radiotherapy; D014965:X-Rays
NASOPHARYNGEAL NEOPLASMS; RADIOTHERAPY