RT Journal Article SR Electronic T1 In reply: Erectile dysfunction (April 2005) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 640 OP 640 VO 72 IS 8 A1 Mikhail, Nasser YR 2005 UL http://www.ccjm.org/content/72/8/640.abstract AB