Rahman, M. M., Munir, M. M. H., Raihanuddin, .-., Shaheen, S. A., Khan, M. A. S., Sardar, K., & Chowdhury, A. N. (2017). Haemodynamic Effects and Complications of Unilateral Spinal versus Standard Spinal Anesthesia in Elderly with Low Ejection Fraction Undergone Lower-Limb Surgery. Delta Medical College Journal, 5(1), 20–24. https://doi.org/10.3329/dmcj.v5i1.31426