[CANCER THERAPY WITH FAST ELECTRONS OF 20 TO 30-MEV AND 35-MEV ROENTGEN  RAYS].
D004583:Electrons; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D011882:Radiotherapy, High-Energy; D014965:X-Rays
NEOPLASM RADIOTHERAPY; RADIOTHERAPY, HIGH ENERGY