KEPEKÇİ, Y., BOĞA, C., DEMİRTAŞ, M. and UÇARER, O. 1992. Echocardiographic and Electrocardiographic Abnormalities in Ankylosing Spondylitis. European Journal of Therapeutics. 3, 2 (Jun. 1992), 149–154. DOI:https://doi.org/10.58600/eurjther.19920302-1033.