title: [Morbidity among petroleum workers in Nebit-Dag petroleum industry and measures for its prevention].
mesh_terms: D006801:Humans; D007221:Industry; D009017:Morbidity; D009784:Occupational Diseases / Q000706:statistics & numerical data*; D010578:Petroleum
chemical_list: D010578:Petroleum
keywords: OCCUPATIONAL DISEASES/statistics