Ervandian, Maria, Morten Høyer, Stine Elleberg Petersen, Lisa Sengeløv, Steinbjørn Hansen, Mats Holmberg, Joen Sveistrup, Peter Meidahl Petersen, and Michael Borre. 2016. “Salvage Radiation Therapy Following Radical Prostatectomy. A National Danish Study”. Acta Oncologica 55 (5):598-603. https://doi.org/10.3109/0284186X.2015.1088170.