[Influence of multimetallic pollution of environmental objects on changes in the trace element composition of the biological media in children].

The paper shows guidelines used to develop a procedure for detecting heavy metals in biological fluids (urine, bile, gastric juice, blood, hair, placenta, meconium, breast milk) by atomic absorption spectrophotometry at the level of 10(-1)-10(-3) microg/ml(-1) with the maximum analysis error of 17.9%. It also proposes guidelines for determining (calculating) the regional background levels of metals in the biological media of children (in case of the Perm Region).

[Lead in the mother-newborn system as an indicator of chemical load hazard in unfavorable environmental areas].

The paper deals with the studies of the levels of lead in the biological media in women in labour and their neonatal infants who live in poor environmental areas. A comparison was made of the levels of lead in the biological media of the women in labour and neonates from the experimental and control groups. There was a relationship between the levels of lead in the biological media of the newborn and the mother.