Siva, S., Callahan, J. W., Kron, T., Chesson, B., Barnett, S. A., Macmanus, M. P., … Ball, D. L. (2015). Respiratory-gated (4D) FDG-PET detects tumour and normal lung response after stereotactic radiotherapy for pulmonary metastases. Acta Oncologica, 54(8), 1105–1112. https://doi.org/10.3109/0284186X.2015.1027409