Fatema, N., Mandal, R. M., Arzu, J., Habib, S. A., Ahmad, K., Rahman, F., Banerjee, S. K., Ahmed, C. M., & Hoque, M. H. (2020). Objective Evidence of Pulsus Alternans by Echocardiography in Acute Severe Heart Failure. University Heart Journal, 16(2), 92–98. https://doi.org/10.3329/uhj.v16i2.49667