Da li neko zna dobar sajt na kome mogu naci izgled strukture i ponesto o kalcijum hidroksi-apatitu? Hvala
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http://www.naturalways.com/ca
http://www.naturalways.com/calcium.htm
http://www.greatvistachemicals.com/nutritional-supplements/calcium-hydro...
http://www.google.com/search?q=calcium+hydroxyapatite