TY JOUR TI Caryopathic effect of bio-preparation Bacillus subtilis 12В on the status of spermatogenic epithelium of animals infected with helminths KW bio-preparation KW Bacillus subtilis KW Fasciola hepatica KW white mice KW lambs KW testis KW metaphase KW chromosome. JO Russian Journal of Parasitology AU Sivkova , T.. AU Krasnikova, E.. AU Shurakov, S.. PY 2016 IS 3 PB INFRA-M Academic Publishing LLC.