1Korenman SG. Advances in the understanding and management of erectile dysfunction. J Clin Endocrinol Metab 1995; 60:1985
2National Center for Health Statistics: Detailed diagnosis and procedures for patients discharged from short-stay hospitals:United States 1985. In: Hyattsville, Maryland: Vital and Health Statistics. series 13, No. 90. United States Department of Heath and Human Services Publication No. PHS 1987:87- 1751
3Krane R J, Goldstein I, Saenz de Tejada I. Impotence. New Engl J Med 1989;321:1648
4Tai YA. Relationship between lower urinary tract symptoms and erectile dysfunction: epidemiologic study in Jeong-Eup, Korea.Int J Impot Res 1998;10(Suppl 3) :87
5Feldman HA, Goldstein I, Hatzichristou DG, et al. Impotence and its medical and psychosocial correlates: results of the Massachusetts Male Aging Study. J Urol 1994; 151:54
6Willian BA, Mark HB, Robert B. The Merch Mannual of Geriatric Whitehouse Station. N J USA Merch & Co. Inc 1995:655