The clinical value of mass radiography of the chest: a mass survey of a cotton mill, 1949.
D006801:Humans; D008168:Lung; D008171:Lung Diseases; D016272:Occupational Health; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
INDUSTRIAL HYGIENE; LUNGS/diseases; TUBERCULOSIS, PULMONARY/prevention and control