%0 Journal Article %T Caryopathic effect of bio-preparation Bacillus subtilis 12В on the status of spermatogenic epithelium of animals infected with helminths %A Sivkova , T.. %A Krasnikova, E.. %A Shurakov, S.. %K bio-preparation, Bacillus subtilis, Fasciola hepatica, white mice, lambs, testis, metaphase, chromosome. %J Russian Journal of Parasitology %D 2016 %N 3 %P 6 %I INFRA-M Academic Publishing LLC.