الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
Living orgentane requice not only perforsed orgente compounds such carbohydrates, Lipids, apino acids, end visaming, but slo quantities of certain elenentat hnateriats, These clenente inclole eodiue, potaesie and copper, oportant cole of the polyvatent elements to perform structursl or catalytic fenettone fm vivo as a result of hele obllity to form coordinate covalent bonds. There are, however, other tranatten elenents having sisttar chanics! charscteriaties that aay also interact with Diotopleat sien, posstbly rarulting In torte sequelae when present called heavy setete becouse they are metals oF wetallosds that have higher atone weights than do. the esnentsal ‘eleneneal motalas ove enviromental and ndoseetal etarde axe aetociated with the release of radtovetive.