TY - RPRT TI - Early sildenafil dose optimization and personalized instruction improves the frequency, flexibility, and success of sexual intercourse in men with erectile dysfunction. AU - C P Steidle AU - A R McCullough AU - J C Kaminetsky AU - A R Crowley AU - R L Siegel AU - H Deriesthal AU - L-J Tseng PY - 2006 DO - 10.1038/sj.ijir.3901498 UR - https://pubmed.ncbi.nlm.nih.gov/16858367/ ID - 16858367 ER -