REFERENCES
- Coca, A. F., Walzer, M. and Thommen, A.: Asthma and Hay Fever in Theory and Practice. Springfield, Illinois, Charles C Thomas, 1931.
- Cooke, R. A.: Allergy in Theory and Practice. Philadelphia, W. B. Saunders Company, 1947.
- Feinberg, S. M.: Allergy in Practice. Ed. 2. Chicago, The Year Book Publishers, Inc., 1946.
- Vaughan, W. T. and Black, J. H.: Practice of Allergy. St. Louis, The C. V. Mosby Company, 1948.
- Dahl, A. O.: A Study in Air Analysis in Relation to Hay Fever in Minneapolis. Thesis, University of Minnesota, 1933.
- Ellis, R. V. and Rosendahl, C. O.: A survey of the causes of hay fever for the state of Minnesota. Minnesota Med. 16:379 (June) 1933.
- Ellis, R. V. and Rosendahl, C. O.: The specific treatment of hay fever with special reference to Minnesota. Minnesota Med. 17:378 (July) 1934.
- Rosendahl, C. O. and Ellis, R. V.: Air-borne pollen in the Twin Cities area with reference to hay fever. Minnesota Med. 23:619 (September) 1940.
- Durham, O. C.: The contribution of air analysis to the study of allergy. J. Lab. & Clin. Med. 13:967, 1928.
- Durham, O. C.: The pollen content of the air in North America. J. Allergy 6:128, 1935.
- Randolph, T. G.: Concepts of food allergy important in specific diagnosis. J. Allergy 21:471–477 (November) 1950.
- Randolph, T. G.: Diagnosis of food allergy. Tr. Am. Acad. Ophth. (February) 1951, pp. 13–17.