P. Saha, R. Maleque, S. Biswas, R. Haque, F. Khondker, and M. Arslan, “Urinary Iodine Level in Healthy Pregnant Women and its Correlation with Serum TSH & FT4”, Bangladesh J Med Biochem, vol. 8, no. 1, pp. 21–26, Jul. 2017.