Ngwanou Dany, H., G. P. Kamsu Moyo, L. Ejake, F. Nguefack, E. Mah, L. Maguip, G. Wafeu, and A. Chiabi. “ Cameroon: A Cross-Sectional Survey”. HEALTH SCIENCES AND DISEASE, vol. 21, no. 9, Sept. 2020, doi:10.5281/hsd.v21i9.2265.