Zafeer, N., J. Altaf, M. Rafi, M. M. Chaudhry, M. Qayyum, and S. Naz. “Assessment of Iodine Deficiency in Pregnant Women and Neonates in the Capital Territory of Pakistan”. The Nucleus, vol. 55, no. 4, Jan. 2019, pp. 193-9, http://202.83.167.189/index.php/Nucleus/article/view/410.