Characterization of main pulmonary artery and valve annulus region of piglets using echocardiography, uniaxial tensile testing, and a novel non-destructive technique. - Sutherland DW Jr; McEleney A; de Almeida M; Kajimoto M; Ventura G; Isenberg BC; Portman MA; Stapleton SE; Williams C (Frontiers in cardiovascular medicine, 2022)