Otieno, G. A., Bigogo, G. M., Nyawanda, B. O., Aboud, F., Breiman, R. F., Larson, C. P. and Feikin, D. R. (2013) “Caretakers’ Perception towards Using Zinc to Treat Childhood Diarrhoea in Rural Western Kenya”, Journal of Health, Population and Nutrition, 31(3), pp. 321–329. doi: 10.3329/jhpn.v31i3.16823.