E. Akuoko, E. Sandabunga, E. Akuoko, and K. B. Sabogu, “Incidence and Prevalence of HIV in Sub-Saharan Africa: Focus On Cameroon, Ethiopia, Ghana, and Zambia”, Int. j. integr. med. res., vol. 8, no. 03, pp. 20–29, Sep. 2021.