Vnitr Lek 1968, 14(8):729-739
[Development of chronic bronchitis in streetcar employees during 10 years].
Keywords: Aged; Air Pollution; Bronchitis, etiology, ; Chronic Disease, etiology, ; Czechoslovakia; Electrocardiography; Environmental Exposure; Humans; Methods; Middle Aged; Mining; Occupational Diseases, etiology, ; Pulmonary Emphysema, etiology, ; Respiratory Function Tests
Published: August 1, 1968 Show citation