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????????????? 1. ??????? ????????????????????????????????????????????????????????????????????????????????????????????????????? 2. ??????? ?????????????????????????????????????????????????????? 3. ????? ???????????????????????????????????????????????????????? 1. ??????? ????????????????????????????????????????????????????????????????????????? 2.????? ??????????????????????????????????????????????????????????? 3. ??????? ?????????????????????????????????????????????????????????????????????????? ????????????? 1. ????? ?????????????????????????????????????????????????????????????????? 2. ????? ??????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????? ????: 1.Andersson, K. E., & Stief, C. G. (2018). Phosphodiesterase inhibitors for the treatment of erectile dysfunction. European Urology, 73(5), 664-675. 2.Gresser, U., & Gleiter, C. H. (2002). Erectile dysfunction: comparison of efficacy and side effects of the PDE-5 inhibitors sildenafil, vardenafil and tadalafilreview of the literature. European Journal of Medical Research, 7(10), 435-446. |