1. Jowett B. (Trans) The Dialogues of Plato, 4th edn. Vol. 1. Oxford: Clarendon Press, 1953
2. Rowe JW, Besdine RW, Ford AB et al. Urinary incontinence inadults ? National Institutes of Health Consensus Development Conference. JAMA 1989;261:2685?2690
3. Hudson RD. Disease and its control: the shaping of modern thought. Westport, Conn.: Greenwood, 1983
4. Rosen G. The specialization of medicine, with particular reference to ophthalmology. New York: Froben Press, 1944
5. Faber K. Nosography: the evolution of clinical medicine in modern times, 2nd edn. New York: Hoeber, 1930