Humbwavali, J. B., C. Giugliani, I. C. M. da Silva, and B. B. Duncan. “Temporal Trends in the Nutritional Status of Women and Children under Five Years of Age in Sub-Saharan African Countries: Ecological Study”. São Paulo Medical Journal, vol. 136, no. 5, Oct. 2018, pp. 454-63, https://periodicosapm.emnuvens.com.br/spmj/article/view/666.