JAMES CHUN-I LEE2018-09-102018-09-102008http://www.scopus.com/inward/record.url?eid=2-s2.0-50849098833&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/335788Effect of Nightly versus On-Demand Vardenafil on Recovery of Erectile Function in Men Following Bilateral Nerve-Sparing Radical Prostatectomyjournal article10.1016/j.eururo.2008.06.083