[The content of trace elements in the biosubstrates of children aged 1 to 3 years under anthropogenic load].

The paper comparatively characterizes the content of Zn, Cu, Pb, and Cd in the hair of children aged 1 to 3 years, who reside in Yaroslavl and Kotlas, as well as rural communities of the Yaroslavl Region and the Republic of Komi. Differences have been found in the trace element status of children living in areas with various anthropogenic load and under climatic and geographic conditions.