[Hygienic evaluation of several petroleum chemical industries].
D000397:Air Pollution / Q000517:prevention & control*; D002617:Chemical Industry / Q000592:standards*; D009787:Occupational Medicine / Q000592:standards; D010578:Petroleum / Q000633:toxicity*; D014586:USSR
D010578:Petroleum
Gigienicheskaia otsenka nekotorykh neftekhimicheskikh proizvodstv.