1. Steers W. Physiology of the urinary bladder. In Walsh P, Retik A, Staney T, Vaughan E (eds). Campbell’s Urology. Philadelphia: WB Saunders, 1996, pp 142–176.
2. Gosling J. The structure of the bladder and urethra in relation to function. Urol Clin North Am 1979; 6:31–36.
3. Gosling J, Dixon J, Lendon R. the autonomic innervation of the human male and female bladder neck and proximal urethra. J Urol 1977;118:302–305.
4. Merrill D, Conway C, De Wolfe W. Urinary incontinence-treatment with electrical stimulation of the pelvic floor. Urology 1975;5:67–71.
5. Hoff S, Bailey R, Butts D, et al. Ambulatory surgical hemorrhoidectomy-a solution to postoperative urinary retention? Dis Colon Rectum 1994;37: 1242–1244.