6Roos VP.Ramsey EW.A popu[ation based study of prostatectomy:outcomes associated with digfering surgical approaches.J Urol,1987,137:1184.
7Roos VP.Wennberg JE.Malenka DJ.et a1.Mot tality and reoperation after open and transureth ra[resection of the prostate for benign prostatic hyperplasia.New Engl J Med,1989,320:1120.
8Koshiba K,Egawa S,Ohori M,et a1.Does transurethral resection of the prostate pose a risk to life 22 yeas outcome.J Urol,1995,153:1506.
9Malenka DJ,Roos N,Fisher ES,et a1.Further study of the increased mortality following transurethral prostatectomy:a chart—based analysis. J Urol,1990,144:224.
10Evans JWH.Singer M,Coppunger SWV,et at .Cardiovascular perfornance and core temperature during transurethral prostatectomyt J Urol,1994,152:2025.