?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Keoghane&rft.au=Keoghane%2C+Stephen+Richard&rft.aufirst=Stephen+Richard&rft.degree=Doctoral&rft.inst=UCL+(University+College+London)&rft.tpages=184&rft.title=A+clinical+and+economic+evaluation+of+contact+laser+surgery+in+the+prostate.&rft.date=1997