Cardiovascular magnetic resonance-derived aortic distensibility: validation and observed regional differences in the elderly.
Nelson AJ, Worthley SG, Cameron JD, Willoughby SR, Piantadosi C, Carbone A, Dundon BK, Leung MC, Hope SA, Meredith IT, et al. J Hypertens. 2009 Mar; 27(3):535-42.