[Comprehensive assessment of cell mediated immunity in petrochemical industry workers].

In the group of 29 workers of Acetobenzene Division of the petrochemical plant in Ptock with occupational exposure to toluene, acetone, and ammonia a set of tests were done evaluating the state of cell-mediated immunity which made possible finding out persons showing abnormalities in the studied parameters. It is suggested to follow-up these person continuously with control immunological testing once a year.