Müller, A.-C., J. Mischinger, T. Klotz, B. Gagel, G. Habl, G. Hatiboglu, and M. Pinkawa. “Interdisciplinary Consensus Statement on Indication and Application of a Hydrogel Spacer for Prostate Radiotherapy Based on Experience in >250 Patients”. Radiology and Oncology, Vol. 50, no. 3, Aug. 2016, https://radioloncol.com/index.php/ro/article/view/2566.