Relationships between heart rate variability and aortic hemodynamic variables in healthy subjects - Kyrlagkitsis, S.; Papaioannou, T.G.; Gialafos, E.; Vavuranakis, M.; Siasos, G.; Hatzis, G.; Kokkou, E.; Gatzoulis, K.; Karamanou, M.; Stefanadis, C.; Tousoulis, D. (Hellenic Journal of Cardiology, 2016)