Vnitr Lek 1972, 18(5):443-457
[Epidemiology of chronic bronchitis in Prague].
Keywords: Aged; Air Pollution; Bronchitis, epidemiology, ; Chronic Disease; Cough, complications, ; Czechoslovakia; Demography; Disease Outbreaks; Humans; Male; Middle Aged; Smoking, complications,
Published: May 1, 1972 Show citation