Assessment of right ventricular systolic function in pulmonary hypertension patients by realtime threedimensional echocardiography and tissue velocity vector
Ma Hui, Zhang Yongfeng, Li Huili, Fen Guoyan
Clinical Focus . 2018, (6): 506 -509,514 .  DOI: 10.3969/j.issn.1004-583X.2018.06.012