Accuracy of commercial devices and methods for noninvasive estimation of aortic systolic blood pressure a systematic review and meta-analysis of invasive validation studies - Papaioannou, T.G.; Karageorgopoulou, T.D.; Sergentanis, T.N.; Protogerou, A.D.; Psaltopoulou, T.; Sharman, J.E.; Weber, T.; Blacher, J.; Daskalopoulou, S.S.; Wassertheurer, S.; Khir, A.W.; Vlachopoulos, C.; et al. (Journal of Hypertension, 2016)