E Usang, Usang, et al. “Chronic Wounds in Children: Prevalence, Aetiological Types and Predilection Sites in a Rural Setting in an Emerging Economy”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 25, no. 1, Sept. 2016, pp. 301-10, https://asrjetsjournal.org/American_Scientific_Journal/article/view/2092.