CYTOGENETIC ABERRATIONS IN PERIPHERAL BLOOD LYMPHOCYTES OF SHIFT-BASED OIL WORKERS IN RELATION TO THE LENGTH OF SERVICE TO OILFIELDS IN SIBERIA
It was determined that there were significantly higher frequencies of cytogenetically aberrated blood lymphocytes in shift-based oil workers compared to the control groups. The highest levels of cytogenetically aberrated lymphocytes were found in a group of oil workers serviced to oilfields more than 10 years. The cytogenetic aberrations were apparently induced not only exposure of the workers to genotoxic oil compounds, but some effect of extreme climatic factors of this region.