| Methods applied in data sets |
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| The methodology of data collection, and selection of subjects, is potentially important, as it may explain differences between data sets, or demonstrate offhand why the data may not be acceptable according to today's standards. An account of differences between the selection of subjects, and the methodology of spirometry, is given in the last chapter of this section (see menu). |
| Last Updated on Saturday, 10 January 2009 16:33 |
