The Effect of the Combination of Ginseng, Tribulus Terrestris, and L-arginine on the Sexual Performance of Men with Erectile Dysfunction: a randomized, double-blind, parallel, and... oleh Reza Tahvilian, Mohammad Amin Golesorkhi, Farajollah Parhoudeh, Fatemeh Heydarpour, Hossein Hosseini, Hojjat Baghshahi, Hossein Akbari, Mohammad Reza Memarzadeh, Mehdi Mehran, Hosna Bagheri