Kampamba, M, P Mweetwa, W Mufwambi, A Hamachila, and J Hangoma. “Utilisation and Optimisation of Beta-Adrenergic Receptor Blockers over a 6-Month Period Among Chronic Heart Failure Patients With Reduced Ejection Fraction”. South African Medical Journal 113, no. 9 (August 3, 2023): 25–29. Accessed June 3, 2026. https://www.samajournals.co.za/index.php/samj/article/view/784.