Dhingra, U., Hiremath, G., Menon, V. P., Dhingra, P., Sarkar, A., & Sazawal, S. (2009). Zinc Deficiency: Descriptive Epidemiology and Morbidity among Preschool Children in Peri-urban Population in Delhi, India. Journal of Health, Population and Nutrition, 27(5), 632–639. https://doi.org/10.3329/jhpn.v27i5.3639