S. Kushwah, A. R. Nair, J. S. Meena, S. Verma, H. Sawlani, and A. Chandak, “A study to assess the prevalence of iodine deficiency disorders in Betul district, Madhya Pradesh, India”, Int J Community Med Public Health, vol. 6, no. 9, pp. 3999–4004, Aug. 2019.