Pneumoconio-tuberculosis among Indian coal miners (observations on 126 cases).
D003032:Coal Mining; D006801:Humans; D007194:India; D009784:Occupational Diseases / Q000453:epidemiology; D011009:Pneumoconiosis / Q000150:complications / Q000453:epidemiology*; D014397:Tuberculosis, Pulmonary / Q000150:complications / Q000453:epidemiology*