For the past decade a few laboratories throughout the country have studied intensively the problems of developing laboratory methods for the study of pulmonary function. Recently a widespread interest in these methods has developed. Hospitals in every community are equipping pulmonary function laboratories. Realizing this spread in application, the author has brought together a clear description of principles, methods, and limitations of the tests developed by these several groups, with a discussion of the findings in the various states of chronic pulmonary disease. In 200 pages, with a minimum of graphs and charts, and with 400 references, the author has been able to present this work in an excellent manner. The style is simple and clear. The content is accurate, embracing all of the complexities of respiratory physiology, without requiring the reader to master them in understanding the test. The net result is a broad, clear picture of what has
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A 1959 study studied this question.