Effect of Continuous Positive Airway Pressure Therapy on Aortic Stiffness in Patients with Obstructive Sleep Apnea Syndrome. - Keles, Telat; Durmaz, Tahir; Bayram, Nihal Akar; Ciftci, Bulent; Yeter, Ekrem; Akcay, Murat; Bozkurt, Engin (Echocardiography, 2009)