Yanakiev, Ivan, Mariela Geneva-Popova, Stanislava Popova-Belova, Krasimir Kraev, Vesela Hristeva, Ivaylo Sokolov, and Gergana Miteva-Ilieva. “MANIFESTATIONS OF NEUROPSYCHIATRIC DISEASE IN PATIENTS WITH ANKYLOSING SPONDYLITIS – NEUROTROPHINS AND THEIR ROLE”. KNOWLEDGE - International Journal 73, no. 4 (December 14, 2025): 827–834. Accessed May 26, 2026. https://ojs.ikm.mk/index.php/kij/article/view/7973.