Hakan Sercan KURTOĞLU et al. 2019. Analysis of Spinal Posture With Three-Dimensional Ultrasonic System in Patients With Ankylosing Spondylitis. Archives of Rheumatology. 34, 1 (Mar. 2019), 044–052. DOI:https://doi.org/10.5606/ArchRheumatol.2019.6795.