S. Aboseif, K. Tamaddon, S. Chalfin, S. Freedman, M.S. Mourad, J.H. Chang, J.S. Kaptein,
Sacral neuromodulation in functional urinary retention: an effective way to restore voiding BJUI. ,vol. 90, pp. 662- 665 ,(2002) ,
10.1046/J.1464-410X.2002.02989.X