Peak flow rate records in surveys: reproducibility of observers' reports.
Records of peak expiratory flow rate (PEFR), commonly used in hospital in the management of asthma, have not been evaluated as a method of identifying cases of asthma in population surveys. Four observers were asked to report on whether asthma was present or absent in 61 graphs of PEFR recorded two...
Huvudupphovsmän: | , , , |
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Materialtyp: | Journal article |
Språk: | English |
Publicerad: |
BMJ Publishing Group
1984
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