1. Krauss JF. Epidemiological aspects of acute spinal cord injury: a review of incidence, prevalence, causes, and outcome. In: Central Nervous System Trauma Report 1985. Becker DP and Povlishock JR (eds.), Washington DC: NIH, pp. 313–322.
2. Lasfargues JE, Castis D, Morrone F, Carswell J, Nguyen T. Estimation of SCI prevalence in the USA. Paraplegia 1995; 33: 62–68.
3. Whipple B. Female Sexuality. In: Leyson JFJ (ed.), Sexual Rehabilitation of the Spinal-Cord-Injured Patient. Totowa, NJ: Humana, 1991, pp. 19–38.
4. Masters W, Johnson V. Human Sexual Response. Boston: Little, Brown, 1966.
5. Brindley GS. Physiology of erection and management of paraplegic infertility. In: Hargreave TB (ed.), Male Infertility. Berlin: Springer-Verlag, 1983.