1. Barry MJ, Boyle P, Fourcroy J, et al. Epidemiology and natural history of BPH. In: Cockett ATK, Khoury S, Aso Y, et al. The 3rd International Consultation on BPH: Proceedings. Paris, France: Scientific Communication International; 1996:21-50.
2. Medical Treatment of Benign Prostatic Hyperplasia: 5α-Reductase Inhibitors and α-Adrenergic Antagonists
3. McConnell JD, Barry MJ, Bruskewitz RC, et al. Benign prostatic hyperplasia: Diagnosis and Treatment. Clinical Practice Guideline, No 8. Rockville, Md: Agency for Health Care Policy and Research, Public Health Service, United States Department of Health and Human Services; 1994. AHCPR, Publication No. 94-0582.
4. The American Urological Association Symptom Index for Benign Prostatic Hyperplasia
5. Hard Measures of Subjective Outcomes: Validating Symptom Indexes in Urology