[2 cases of asthma caused by feathers of chickens].
D000485:Allergens; D000818:Animals; D001249:Asthma / Q000175:diagnosis / Q000209:etiology*; D002645:Chickens; D005241:Feathers; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012882:Skin Tests
D000485:Allergens