For citations:
Bochkova AG, Levshakova AV. WHY IS ANKYLOSING SPONDYLITIS DIAGNOSED LATE. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2009;1(3-4):19-24. (In Russ.) https://doi.org/10.14412/2074-2711-2009-50