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Measurement of responsiveness to inhaled histamine using FEV1: comparison of PC20 and threshold.
Two methods of interpreting histamine inhalation dose-response curves were compared in 27 normal and 41 asthmatic subjects. The histamine provocation concentration producing a 20% fall (PC20) in forced expiratory volume in one second (FEV1) was calculated on the basis of the lowest FEV1 after inhala...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
1983
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| Assuntos: | |
| Acceso en liña: | https://ncbi.nlm.nih.gov/pmc/articles/PMC459599/ https://ncbi.nlm.nih.gov/pubmed/6612638 |
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