JOURNAL OF SEXUAL MEDICINE, cilt.3, sa.2, ss.309-319, 2006 (SCI-Expanded, Scopus)
Objectives. Tadalafil, a phosphodiesterase type 5 inhibitor, has an extended period of effectiveness, up to 36 hours, for the treatment of erectile dysfunction (ED). Changes in behavior of long-term sildenafil users were evaluated by assessing time of dose relative to sexual intercourse attempts during treatment with sildenafil and tadalafil.