title: Measurement of changes in the oxygen and carbon concentration of tissues during fractionated high energy x-ray treatment.
mesh_terms: D002244:Carbon / Q000032:analysis*; D002247:Carbon Isotopes; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy*; D009502:Neutrons; D010100:Oxygen / Q000032:analysis*; D010103:Oxygen Isotopes; D011882:Radiotherapy, High-Energy
chemical_list: D002247:Carbon Isotopes; D010103:Oxygen Isotopes; D002244:Carbon; D010100:Oxygen