Sasan FALLAHI and Ahmad Reza JAMSHIDI 2016. Diagnostic Delay in Ankylosing Spondylitis: Related Factors and Prognostic Outcomes. Archives of Rheumatology. 31, 1 (Mar. 2016), 024–030. DOI:https://doi.org/10.5606/ArchRheumatol.2016.5562.