[A clinical and epidemiological study of farmer's lung disease].
D000328:Adult; D000368:Aged; D005203:Farmer's Lung / Q000175:diagnosis* / Q000453:epidemiology / Q000473:pathology; D005260:Female; D006801:Humans; D007564:Japan; D008168:Lung / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011233:Precipitin Tests