1. Sarcoidosis;Newman;N Engl J Med,1997
2. Sarcoidosis or extrinsic allergic alveolitis?;Konig;Respiration,1981
3. Hypersensitivity pneumonitis, or sarcoidosis [letter]?;Burke;Chest,1976
4. Hypersensitivity pneumonitis presenting as sarcoidosis;Forst;Br J Ind Med,1993
5. Diseases associated with exposure to silica and non-fibrous silicate materials [abstract];Craighead;Arch Pathol Lab Med,1988