TY JOUR TI CHANGES IN THE QT INTERVAL IN PATIENTS WITH ANKYLOSING SPONDYLITIS KW ankylosing spondylitis KW QT interval KW Holter ECG monitoring JO Tavricheskiy Mediko-Biologicheskiy Vestnik AU Zayaeva, A.A. AU Koshukova, G.N. AU Dolya, E.M. AU Nikolayeva, A.P. AU Ten, D.I. PY 2022 IS 23 PB V.I. Vernadsky Crimean Federal University