Renson, Catherine, et al. “Percutaneous Electrical Neurostimulation in the Treatment of Non-Neuropathic Bladder Sphincter Dysfunction : A Pilotstudy.” Proceedings 12th Annual Meeting of ESPU and 3rd ICCS Congres, vol. 87, no. supplement, JC Djuurhuus, 2001, pp. 13–77.