[Farmer's lung in the east of Hokkaido--its geographical distribution].
Fourteen cases of farmer's lung, which were clinically and pathologically defined, were reported. The incidence of disease in Hokkaido was estimated to be 1-2% and its geographical distribution was uniform. It was stressed that there is a considerable number of undiagnosed patients with farmer's lung.
D000328:Adult; D000368:Aged; D005203:Farmer's Lung / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged