deSouza, N. ., Liu, Y. ., Chiti, A. ., Oprea-Lager, D. ., Gebhart, G. ., Van Beers, B. ., … Lecouvet, F. . (2018). Strategies and technical challenges for imaging oligometastatic disease: Recommendations from the European Organisation for Research and Treatment of Cancer imaging group. European Journal of Cancer (Oxford, England : 1990). https://doi.org/10.1016/j.ejca.2017.12.012 (Original work published 2018)