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This treatise is divided into three sections. Part 1, by Coca, deals with the theoretical aspect of hypersensitiveness, anaphylaxis and allergy. The author goes into this study thoroughly and gives a good differential table between anaphylaxis, atopy, hypersensitiveness of infection, contact dermatitis and serum sickness. There is an excellent chapter on the preparation of extracts and solutions used in testing and treating allergic cases, although the nitrogen content system is far from being acceptable to the majority of workers in this field. Part 2, by Walzer, is complete. It considers asthma from every aspect and has an especially good chapter on passive transfer and the various methods of skin testing. There is an excellent chapter on the most important exciting factors, with a detailed description of the ways in which patients can come into contact with each of these; for example, two pages is devoted to the use of rabbit
Asthma and Hay Fever in Theory and Practice: Part 1. Hypersensitiveness, Anaphylaxis, Allergy.. JAMA. 1932;98(2):167. doi:10.1001/jama.1932.02730280075034