Smiyan, S. I., Koshak, B. O. and Gnatko, I. V. (2017) “ENDOTHELIAL DYSFUNCTION AND CARDIOVASCULAR RISK IN PATIENTS WITH ANKYLOSING SPONDYLITIS”, International Journal of Medicine and Medical Research, 3(2), pp. 5–9. doi: 10.11603/ijmmr.2413-6077.2017.2.7935.