1.
Sibanda A, Doctor H. Measuring health gaps between the rich and the poor: a review of the literature and its implications for health research in Africa. JPHIA [Internet]. 2Jul.2013 [cited 23Sep.2019];4(1):e3. Available from: https://publichealthinafrica.org/index.php/jphia/article/view/jphia.2013.e3