http://www.webelements.com/gallium/biology.html
http://www.rsc.org/periodic-table/element/31/gallium
http://www.home.earthlink.net/valixapharm/GAMBackground.html
http://www.lenntech.com/periodic/elements/ga.htm
http://www.nlm.nih.gov/medlineplus/ency/article/003450.htm
http://www.chemicool.com/elements/gallium.html
http://www.mii.org/Minerals/photogallium.html
http://empirestatemetals.com/gallium.shtml
http://www.rsc.org/periodic-table/element/31/gallium
http://www.home.earthlink.net/valixapharm/GAMBackground.html
http://www.lenntech.com/periodic/elements/ga.htm
http://www.nlm.nih.gov/medlineplus/ency/article/003450.htm
http://www.chemicool.com/elements/gallium.html
http://www.mii.org/Minerals/photogallium.html
http://empirestatemetals.com/gallium.shtml