Chawanpaiboon, S., and V. Titapant. “A Randomized Controlled Trial of the Correlation Between Iodine Supplementation in Pregnancy and Maternal Urine Iodine and Neonatal Thyroid Stimulating Hormone Levels”. Siriraj Medical Journal, vol. 71, no. 1, Feb. 2019, pp. 59-65, doi:10.33192/Smj.2019.10.