title: Optimum energy in supervoltage x-ray therapy.
mesh_terms: D000042:Absorption; D001842:Bone and Bones; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000592:standards*; D012869:Skin Absorption