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2. High prevalence of benign prostatic hypertrophy in the community;Garraway;Lancet,1991
3. Incidence of medically detected erectile dysfunction and related diseases before and after Viagra™ (sildenafil citrate);Curkendall;Eur Urol,2000
4. Benign prostatic hyperplasia;Garraway;Urology,1994
5. Trial without catheter following acute retention of urine;Taube;Br J Urol,1989