Kokkarinen J, Tukiainen H, Seppä A, Terho E O
Department of Pulmonary Diseases, Kuopio University Hospital, Finland.
Chest. 1994 Oct;106(4):1269-71. doi: 10.1378/chest.106.4.1269.
A bird fancier who had only been exposed to native birds, mostly owls, developed a sever hypersensitivity pneumonitis with a very insidious onset.