Vnitr Lek 1968, 14(4):341-348
[Long term observation of the development of chronic bronchitis in cement workers].
Keywords: Aged; Bronchitis, etiology, ; Chronic Disease; Environmental Exposure; Follow-Up Studies; Humans; Male; Middle Aged; Occupational Diseases, etiology, ; Respiratory Function Tests; Silicosis, complications,
Published: April 1, 1968 Show citation