title: [3-year experience in betatron therapy. 1. Some devices for therapeutic technique].
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy*; D006801:Humans; D008207:Lymphatic Metastasis / Q000532:radiotherapy; D008722:Methods; D009062:Mouth Neoplasms / Q000532:radiotherapy*; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D012878:Skin Neoplasms / Q000532:radiotherapy*; D013679:Technology, Radiologic