 6. Presence of severe renal disease BUN 50 greater than normal. Patients must have evidence from their PCP or Urologists of normal PSA and urodynamic tests within the last 12 months; patients with BUN 50 greater than normal 5 to 20 mg d L or creatinine 50 greater than normal 0 .7 and 1.4 mg d L will be excluded. Labs will be requested from PCP. 