title: In-vivo estimations of the nonlinear pressure-volume relationship of the aorta and instantaneous left ventricular volume.
mesh_terms: D000328:Adult; D000368:Aged; D001011:Aorta / Q000502:physiology*; D001794:Blood Pressure; D004548:Elasticity; D006352:Heart Ventricles / Q000033:anatomy & histology; D006801:Humans; D008433:Mathematics; D008875:Middle Aged; D008954:Models, Biological; D016276:Ventricular Function