7Miller MR, Hankinson J, Brusasco V, et al. Standardisation of spirometry[J]. EurRespir J, 2005, 26(2):319-338.
8Sander LR. Computer analysis versus technician analysis of body plethysmographie analog recordings of airway resistance and thoracic gas volume[ J]. Respir Care, 1982, 27( 1 ) :62-69.
9Brown R, Slutsky AS. Frequency dependence of plethysmographic measurement of thoracic gas volume[J]. J Appl Physiol, 1984, 57 (6) :1865-1871.
10DuBois AB, Botelbo SY, Bedell GN, et al. A rapid plethysmographic method for measuring thoracic gas volume: a comparison with a nitrogen washout method for measuring functional residual capacity innormal subjects [ J ]. J Clin Inves, 1956, 35:322-326.