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The demand for clinical and laboratory methods for quantitative evaluation of functional efficiency of organs or systems is in ever increasing demand. Both surgeon and physician desire to assess the degree of impairment with which they have to deal. In this monograph the author sets forth in a concise manner the various methods employed in testing respiratory efficiency. He concludes that no one test can be relied on and that in order to gain a useful estimate of respiratory function the patient's vital capacity, ventilating efficiency and expiratory force must all be studied. The author does not settle the question, but his work is critical and stimulating. It will be read with interest by all those interested in estimating the efficiency of the respiratory apparatus. The report will be of special interest to those engaged in insurance work and those concerned with passing on the medical qualifications of individuals in
Tests for Respiratory Efficiency. JAMA. 1935;104(14):1271. doi:10.1001/jama.1935.02760140075039