G. Ayana et al., “Goiter prevalence and median urinary iodine concentration in Ethiopian reproductive age women and school age children”, ejphn, vol. 1, no. 2, pp. 105–109, Jun. 2017, Accessed: Oct. 16, 2026. Available: https://ejphn.ephi.gov.et/index.php/ejphn/article/view/100