REFERENCES
- Durham, O. C.: Incidence of airborne fungus spores. J. Allergy 8: 480, 1937.
- Wittich, F. W.: Further observations on allergy to smuts. Journal-Lancet 59: 382, 1939.
- Wittich, F. W. and Stakman, E. C.: Case of respiratory allergy due to inhalation of grain smuts. J. Allergy 8: 189, 1937
- Wittich, F. W.: Nature of various mill dust allergens. Journal-Lancet 60: 418, 1940.