For citations:

Shoot S.A., Ugolnik T.S., Levin V.I., Linkevich E.R., Konoplyanik N.V., Stepanenko E.M. ASSOCIATION OF ANTIBODIES LEVEL TO CagA ANTIGEN OF Helicobacter pylori With HLA-antigens in duodenal ulcer patients. Health and Ecology Issues. 2007;(1):127-132. (In Russ.) https://doi.org/10.51523/2708-6011.2007-4-1-24