Iodine at The Periodic Table of Videos (University of Nottingham) "Micronutrient Research for Optimum Health", Linus Pauling Institute, OSU Oregon State
2020-11-26 at the Wayback Machine. Flour Fortification Initiative, GAIN, Micronutrient Initiative, USAID, The World Bank, UNICEF, Investing in the Future:
original on 1 November 2021. Retrieved 8 February 2022. "Vitamin A". Micronutrient Information Center, Linus Pauling Institute, Oregon State University