Antonyan, A.A., et al. “ADENOSINE DEAMINASE ISOFORMS IN SYNOVIAL FLUID AT RHEUMATOID ARTHRITIS”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 48, no. 2 (234), July 2014, pp. 54-57, doi:10.46991/PYSU:B/2014.48.2.054.