A SOURCE OF ERROR IN THE DETERMINATION OF BASAL METABOLIC RATES BY THE CLOSED-CIRCUIT TECHNIC
- 1 January 1951
- journal article
- research article
- Published by American College of Physicians in Annals of Internal Medicine
- Vol. 34 (1) , 148-162
- https://doi.org/10.7326/0003-4819-34-1-148
Abstract
Changes in the expiratory position of the chest occurring during the course of a spirogram done with a Benedict Roth closed circuit apparatus have a marked effect on the slope of the tracing. The abnormalities could be produced by training. They could be measured in patients by chest and abdominal pneumographs. They were indicated by duplicate closed circuit and Tissot detns.Keywords
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