[Evaluation of chemical mutagenic factor in workers].

The authors analysed retrospectively a reproductive function among female workers of chemical plant. The subjects were exposed to mutagenic and carcinogenic chemicals before pregnancy and during early term pregnancy. Occurrence of complications during pregnancy and delivery was significantly higher in the exposed group vs.

[Main methodological principles of rapid biological assessment in ecotoxicology].

The basis of biotesting principles consists of recording responses of individual test-subjects of different degree of organization. The complex of short-term biological tests to analyse harmful effects of both separate chemical substances and total toxicants in the environmental subjects is one of the alternative approaches of express assessment in ecotoxicology.