Echocardiographic and Electrocardiographic Findings in Patients with Ankylosing Spondylitis without Cardiovascular Risk Factors - Almasi, Simin; Farahani, Behzad; Samiei, Niloufar; Rezaei, Yousef; Mahmoodi, Habib; Qorbani, Mostafa (The Research in Heart Yield and Translational Medicine (RHYTHM), 2020)