Hung, Tran Ngoc, Nguyen Ngoc Hoi, and Nguyen Tai Luong. 2015. “State of the Hypophysis - Thyriod System When Being Supplied With Iodine Among the Primary School Pupils in Uplands of Nghe An Province”. Academia Journal of Biology 25 (1):45-50. https://doi.org/10.15625/0866-7160/v25n1.6800.