title: High-energy electron beam therapy of breast cancer.
mesh_terms: D001943:Breast Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D003036:Cobalt Isotopes; D004583:Electrons; D005260:Female; D006801:Humans; D008875:Middle Aged; D011867:Radioisotope Teletherapy; D011882:Radiotherapy, High-Energy
chemical_list: D003036:Cobalt Isotopes