Vasylets, Viktoria, and Mykola Stanislavchuk. “BDNF LEVEL IN THE BLOOD OF PATIENTS WITH ANKYLOSING SPONDYLITIS COMORBID WITH ALEXITHYMIA, ITS CORRELATION WITH CLINICAL COURSE AND TREATMENT EFFICACY”. Eastern Ukrainian Medical Journal 13, no. 1 (March 29, 2025): 139–148. Accessed July 27, 2026. https://eumj.med.sumdu.edu.ua/index.php/journal/article/view/790.