[Estimation of average density of lung by a radiographic transit dose method and correction factors for a lesion in the midthoracic oesophagus treated with rotation of 4.3 MV X-rays and cobalt-60 gamma-rays].
D015502:Absorptiometry, Photon; D003036:Cobalt Isotopes; D003201:Computers; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D014054:Tomography
D003036:Cobalt Isotopes