Sildenafil Citrate were recruited from a sexual disfunction clinic; every had a scarcity of epithelial duct lubrication and a scarcity of erectile organ and epithelial duct sensation or slow sexual response. the ladies received 4-week regimens of 25-mg virility drug, 50-mg virility drug, and placebo in random order, with a one-week washout between treatments; every pill was to be taken 1 hour before intercourse, less than once daily. the ladies rated measures of sexual response by standardized form at baseline and every month thenceforth.