Lefi A, Dewi IP, Dewi KP, Mulia EPB, Subagjo A, Dharmadjati B. The role of contractile reserve by stress test echocardiography for predicting cardiac resynchronization therapy responder: systematic review and meta-analysis. Open Access Maced J Med Sci [Internet]. 2021 Mar. 2 [cited 2024 Nov. 22];9(F):67-75. Available from: https://oamjms.eu/index.php/mjms/article/view/5725