비아그라에 대해 알아야 할 고려 사항

[33] Reports on the results of sildenafil when used recreationally are confined, but advise it's little result when employed by individuals that do not need erectile dysfunction. In a single study, a twenty five mg dose was proven to trigger no considerable alter in erectile high-quality, but did lessen the postejaculatory refractory time.[34] Thi