Phosphorus
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General Information
Medical and Biological Uses
Industrial Uses
Sources
https://www.webelements.com/phosphorus/
http://www.nlm.nih.gov/medlineplus/ency/article/002424.htm
http://www.rsc.org/periodic-table/element/15/phosphorus
http://www.chemicool.com/elements/phosphorus.html
http://www.discovery.com/tv-shows/mythbusters/about-this-show/how-matches-work.htm