Karaarslan, Ahmet, Hatice Yilmaz, Hakan Aycan, Mehmet Orman, and Senol Kobak. 2015. “Demographic, Clinical, and Laboratory Features of Turkish Patients With Late Onset Ankylosing Spondylitis”. Bosnian Journal of Basic Medical Sciences 15 (3), 64-67. https://doi.org/10.17305/bjbms.2015.511.