M. B. Abdulkadir, R. M. Ibraheem, A. Issa, H. D. Suberu, B. I. Owolabi, and K. Alabi, “Prevalence, Etiology, and Fatality Rates of Childhood Heart Failure in Nigeria: A Systematic Review and Meta-analysis”, IJHS, vol. 17, no. 1, pp. 53–60, Dec. 2022.