Kushkevych, Ivan V. 2016. “Molecular Cloning CysK Gene from Escherichia Coli Genome, Transferring in the Intestinal Sulfate-Reducing Bacteria and the Expression Analysis of O-acetylserine(thiol)lyase”. Microbes and Health 4 (1):19-24. https://doi.org/10.3329/mh.v4i1.23089.