ACKNOWLEDGMENTS This study was supported by the Natural Science Foundation of China (81260119) and the Guizhou Science and Technology Agency Fund ([201214013; SZ201213077]; SY2011 [3024]; LS2011 [020]).
Dear Editor, Benign prostatic hyperplasia (BPH) is the most common genitourinary tract disease in elderly males.The two-micron laser combines the advantages of efficient resection and rapid vaporization, resulting i...