1. The Elements:Iodine
2. www.chimicool.com
3. www.eoearth.org
4. Iodine medline plus supplements
5. http://www.ptable.com/
6. http://acswebcontent.acs.org/games/pt.html
2. www.chimicool.com
3. www.eoearth.org
4. Iodine medline plus supplements
5. http://www.ptable.com/
6. http://acswebcontent.acs.org/games/pt.html