WAYNE, Mich., Jan. 30 -- The Niagara PVP laser photoselective vaporization procedure (PVP) has been used to treat benign prostatic hyperplasia (BPH) for the first time by Oakwood Annapolis Hospital. Mahmood Hai, M.D., Oakwood Annapolis Hospital urology specialist and clinical advisor of the system, said "This is the most effective and significant treatment I have ever used in my 25 years of treating BPH. This will become the 'gold standard' for treatment of BPH." 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