V. . Vasylets and M. . Stanislavchuk, “BDNF LEVEL IN THE BLOOD OF PATIENTS WITH ANKYLOSING SPONDYLITIS COMORBID WITH ALEXITHYMIA, ITS CORRELATION WITH CLINICAL COURSE AND TREATMENT EFFICACY”, East. Ukr. Med. J., vol. 13, no. 1, pp. 139–148, Mar. 2025.