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...
| Autors principals: | , , , |
|---|---|
| Format: | Journal article |
| Idioma: | English |
| Publicat: |
BMJ Publishing Group
1984
|