Features of microelement structure of blood at the schoolboys living in industrial centre of Southern Ural mountains of Chelyabinsk, suffering chronic gastroduodenitis

The purpose of our research is definition of microelement structure of blood at children of Chelyabinsk, suffering chronic gastroduodenitis associated and not associated with Nr-an infection. At studying of microcells in blood decrease in zinc, iron was marked, and also the increase in copper and a toxic microcell - lead has been revealed.