1. Anderson JB, Roerborn CG, Schalken JA, Emberton M et al (2001) The progression of benign prostatic hyperplasia: examining the evidence and determining the risk. Eur Urol 39:390–399
2. Grayhack JT, Kozlowski JM (1996) Benign prostatic hyperplasia. Adult and pediatric urology, 3rd edn. Mosby Year Book Medical Publishers, Chicago, pp 1501–1574
3. Barry MJ, Meigs JB (2000) The natural history of benign prostatic hyperplasia. In: Lepor H (ed) Prostatic diseases. Saunders, Philedelphia, pp 106–115
4. Girman CJ, Guess HA (2000) Epidemiology of benign prostatic hyperplasia. In: Lepor H (ed) Prostatic diseases. Saunders, Philadelphia, pp 116–126
5. Zderic SA, Levin RM, Wein AJ (1996) Voiding function and dysfunction: a relevant anatomy, physiology, and pharmacology, and molecular biology. In: Gillenwater JY, Grayhack JT, Howards SS, Duckett JD (eds) Adult and pediatric urology, 3rd edn. Mosby Year Book Medical Publishers, Chicago, pp 1159–1219