1. Clay eating and sarcoidosis: A controlled study in the state of Georgia;Comstock;Am. Rev. Resp. Dis.,1961
2. Epidemiology of sarcoidosis in the United States;Dunner;Amer. Rev. Resp. Dis.,1961
3. Chemical constituents of pine pollen and their possible relationship to sarcoidosis;Cummings;Amer. J. Med. Sci.,1958
4. Experimental granuloma formation with pine pollen extract;Lindner;Exper. and Molec. Path.,1962
5. Pine pollen granuloma in animals;Vogel;Amer. Rev. Resp. Dis.,1961