title: [Development of new bolus materials--basic investigation and clinical application of solid type bolus made of chewing gum base].
mesh_terms: D000368:Aged; D001943:Breast Neoplasms / Q000532:radiotherapy; D002638:Chewing Gum; D005260:Female; D006801:Humans; D008206:Lymphatic Diseases / Q000532:radiotherapy; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000532:radiotherapy; D011882:Radiotherapy, High-Energy / Q000295:instrumentation*; D012878:Skin Neoplasms / Q000532:radiotherapy; D013679:Technology, Radiologic
chemical_list: D002638:Chewing Gum