Epidemiology of chronic bronchitis in the Baltic Republics of the USSR.
Utkin
V V
VV
Stepanov
I N
IN
Shnipas
P A
PA
Yannus
L E
LE
Gintere
G B
GB
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002980:Climate; D003430:Cross-Sectional Studies; D004957:Estonia; D005260:Female; D006801:Humans; D007844:Latvia; D008097:Lithuania; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology; D012907:Smoking / Q000009:adverse effects