title: Should 60Co tissue-air ratios be re-evaluated?
authors.affiliation: Radiotherapy Physics Unit, Bristol Oncology Centre, UK.
authors.forename: A L
authors.initials: AL
authors.lastname: McKenzie
mesh_terms: D003037:Cobalt Radioisotopes; D011874:Radiometry; D012542:Scattering, Radiation
chemical_list: D003037:Cobalt Radioisotopes