L.-J. Yin, X.-B. Yu, Y.-G. Ren, G.-H. Gu, T.-G. Ding, and Z. Lu, “Utilization of PET-CT in target volume delineation for three-dimensional conformal radiotherapy in patients with non-small cell lung cancer and atelectasis”, Multidiscip Respir Med, vol. 8, no. 9, Mar. 2013, doi: 10.4081/mrm.2013.495.