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To the Editor:—
The authors of the article "Importance of Foods in Patients as Determined by Skin Testing and Intentional Feeding" (J. A. M. A.144:990 [Nov. 19] 1950) are to be complemented on their efforts. However, some comment is necessary. In the foods studied they omitted one which my co-workers and I find very important, cottonseed. Although this substance also acts as an allergen by inhalation and contact, its wide use by ingestion, as an oil for potato chips, doughnuts and many other foods, requires inclusion in any allergy study. Some of the most explosive types of respiratory allergy, such as asthma, follow ingestion of this food, and we often refer to this form of asthma as "potato chip asthma."The authors used the intracutaneous method of testing but failed to state whether a control test was done with each series of tests, as this method elicits many
Engelsher DL. COTTONSEED AS AN ALLERGEN. JAMA. 1951;145(8):583. doi:10.1001/jama.1951.02920260051022
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