[Morbidity among workers in petroleum industry and methods of its lowering].
D006801:Humans; D007221:Industry; D009017:Morbidity; D009784:Occupational Diseases / Q000706:statistics & numerical data*; D010578:Petroleum
D010578:Petroleum
OCCUPATIONAL DISEASES/statistics
Zabolevaemost' rabochikh-neftianikov i metody ee snizheniia.