title: Superficial doses in treatment of breast with tangential fields using 4MV x-rays.
mesh_terms: D001943:Breast Neoplasms / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D006801:Humans; D008433:Mathematics; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000379:methods; D012867:Skin / Q000473:pathology