[Hygienic evaluation of working conditions in chemical plants situated in open spaces].
D000641:Ammonia; D002617:Chemical Industry; D005069:Evaluation Studies as Topic; D008452:Maximum Allowable Concentration; D009787:Occupational Medicine; D012426:Russia; D014753:Vinyl Compounds
D014753:Vinyl Compounds; D000641:Ammonia
Gigienicheskaia otsenka usloviĭ truda v nekotorykh khimicheskikh proizvodstvakh, razmeshchennykh na otkrytykh plashchadkakh.