Polymyalgia rheumatica, temporal arteritis, and contact with birds.
D000328:Adult; D000368:Aged; D000818:Animals; D001717:Birds; D005260:Female; D013700:Giant Cell Arteritis / Q000209:etiology*; D006801:Humans; D006967:Hypersensitivity / Q000150:complications / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011111:Polymyalgia Rheumatica / Q000209:etiology*