title: EPIDEMIOLOGICAL STUDIES OF CHRONIC RESPIRATORY DISEASE AMONG COTTON OPERATIVES.
mesh_terms: D000349:Africa; D032561:Cotton Fiber; D004739:England; D016021:Epidemiologic Studies; D004813:Epidemiology; D006801:Humans; D008171:Lung Diseases; D009026:Mortality; D009426:Netherlands; D011009:Pneumoconiosis; D014481:United States
keywords: AFRICA; COTTON; ENGLAND; EPIDEMIOLOGY; LUNG DISEASES; MORTALITY; NETHERLANDS; PNEUMOCONIOSIS; UNITED STATES