A. Ulys, A. Vėželis, A. Ivanauskas, and M. Snicorius, “Treatment methods of prostate cancer recurrence after radiotherapy. Current treatment alternatives and our clinical experience”, LS, vol. 12, no. 3, pp. 138–143, Jan. 2013, doi: 10.15388/LietChirur.2013.3.1840.