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Comparative Study
Retrospective estimation of values for total lung capacity by plethysmography, helium gas dilution, and chest radiography in patients with cystic fibrosis.
- R Cutrera and P Helms.
- Respiratory Unit, Hospital for Sick Children, London.
- Thorax. 1988 Nov 1; 43 (11): 931-2.
AbstractIn children with cystic fibrosis, total lung capacity was estimated by helium dilution, plethysmography, and radiography. None of these methods should be used interchangeably as the 95% confidence intervals for estimating were large at 58-144% for radiography and 45.3-100.4% for helium dilution.
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