Assessment ofthe Efficacy of Cardiac Resynchronization Therapy Using Real-TimeThree—Dimensional Echocardiography and speckle tracking imaging in Patients with Chronic Heart Failure

LUO Yongjuan, GUAN Xin, ZHU Yanbo

Tianjin Medical Journal . 2016, (3): 367 -369 . DOI: 10.11958/59111