title: [A SLIT TYPE SCREEN FOR TELECOBALT THERAPY].
mesh_terms: D003036:Cobalt Isotopes; D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage
chemical_list: D003036:Cobalt Isotopes
keywords: COBALT ISOTOPES; ESOPHAGEAL NEOPLASMS; NEOPLASM RADIOTHERAPY; RADIOISOTOPE TELETHERAPY; RADIOTHERAPY DOSAGE