L.V. IVANOVA1, E.YU. AKULINUSHKINA1, S.A. LAPSHINA2, D.I. ABDULGANIEVA2, 3  1Republic Clinical Diagnostic Center, Izhevsk 2Kazan State Medical University, Kazan 3Republic Clinical Hospital, Kazan  Contact details: Ivanova L.V. — Chief freelance rheumatologist of the Ministry of Healthcare of Udmurt Republic, Head of the Department of Rheumatology Address: 87B Lenin St., Izhevsk, Russian Federation, 426000, tel.: +7-912-761-45-57, e-mail: loraivanova7@mail.ru  Seronegative spondyloarthritis (SpA) […]