TY - RPRT TI - Sildenafil does not improve sexual function in men without erectile dysfunction but does reduce the postorgasmic refractory time. AU - N Mondaini AU - R Ponchietti AU - G H Muir AU - F Montorsi AU - F Di Loro AU - G Lombardi AU - M Rizzo PY - 2003 DO - 10.1038/sj.ijir.3901005 UR - https://pubmed.ncbi.nlm.nih.gov/12904810/ ID - 12904810 ER -