1. Scheplev P.A. Andrology. Clinical recommendations. Moscow: Medpraktika, 2007. 154 p. (In Russ.).
2. Kulakov V.I. Assisted reproductive technologies — present and future. Moscow: Medinformagentstvo, 2005. Pp. 11—15. (In Russ.).
3. Pashkova E.Yu., Kalinchenko S.Yu. Male infertility in the 21st century — realities and prospects. Effektivnaya farmakoterapiya = Effective Pharmacotherapy 2013;(1): 26—32. (In Russ.).
4. Ovchinnikov R.I., Gamidov S.I., Popova A.Yu. et al. The causes of reproductive loss in men are sperm DNA fragmentation. Russky meditsinsky zhurnal = Russian Medical journal 2015;23(11):634—8. (In Russ.).
5. Evdokimov V.V., Zakharikov S.V., Andreeva L.A. et al. Influence of regulatory peptides on the mobility of human sperm cells in vitro. Eksperimentalnaya i klinicheskaya urologiya = Experimental and Clinical Urology 2016;(2):67—9. (In Russ.).