avanafil vs sildenafil; ed

Efficacy and safety of avanafil as compared with sildenafil in the treatment of erectile dysfunction: A randomized, double-blind, multicenter clinical trial (2022) Manish Kumar, Amey D Pathade, S VijayaBhaskara Gupta, Sanjay Goyal, Debadarshi Rath, Manish Thakre, Jayesh Sanmukhani, and Ravindra...