TY JOUR TI Modification of cryoprotective medium by egg yolk components to increase survival of human spermatozoa after cryopreservation KW cryoprotectant KW egg yolk KW lecithin KW cholesterol KW sperm motility KW ART JO Russian Journal of Biological Physics and Chemisrty AU Smolenceva, D.. AU Mironova, A.. AU Sibachin, A.. AU Afanasieva, S.. AU Simonenko, E.Y. PY 2020 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University