![peak expiratory flow (PEF) values recorded by mini peak flow meter for... | Download Scientific Diagram peak expiratory flow (PEF) values recorded by mini peak flow meter for... | Download Scientific Diagram](https://www.researchgate.net/publication/324157738/figure/tbl5/AS:651588960006144@1532362322292/peak-expiratory-flow-PEF-values-recorded-by-mini-peak-flow-meter-for-boys-and-girls-in.png)
peak expiratory flow (PEF) values recorded by mini peak flow meter for... | Download Scientific Diagram
![Frontiers | Reference Values and Related Factors for Peak Expiratory Flow in Middle-Aged and Elderly Chinese Frontiers | Reference Values and Related Factors for Peak Expiratory Flow in Middle-Aged and Elderly Chinese](https://www.frontiersin.org/files/Articles/706524/fpubh-09-706524-HTML/image_m/fpubh-09-706524-g001.jpg)
Frontiers | Reference Values and Related Factors for Peak Expiratory Flow in Middle-Aged and Elderly Chinese
![Detrended fluctuation analysis of peak expiratory flow and exacerbation frequency in COPD | European Respiratory Society Detrended fluctuation analysis of peak expiratory flow and exacerbation frequency in COPD | European Respiratory Society](https://erj.ersjournals.com/content/erj/40/5/1123/F1.large.jpg)
Detrended fluctuation analysis of peak expiratory flow and exacerbation frequency in COPD | European Respiratory Society
![Peak flow meter with a questionnaire and mini-spirometer to help detect asthma and COPD in real-life clinical practice: a cross-sectional study | npj Primary Care Respiratory Medicine Peak flow meter with a questionnaire and mini-spirometer to help detect asthma and COPD in real-life clinical practice: a cross-sectional study | npj Primary Care Respiratory Medicine](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41533-017-0036-8/MediaObjects/41533_2017_36_Fig1_HTML.jpg)
Peak flow meter with a questionnaire and mini-spirometer to help detect asthma and COPD in real-life clinical practice: a cross-sectional study | npj Primary Care Respiratory Medicine
![Case-finding of chronic obstructive pulmonary disease with questionnaire, peak flow measurements and spirometry: a cross-sectional study | BMC Research Notes | Full Text Case-finding of chronic obstructive pulmonary disease with questionnaire, peak flow measurements and spirometry: a cross-sectional study | BMC Research Notes | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2F1756-0500-7-241/MediaObjects/13104_2013_Article_2763_Fig3_HTML.jpg)
Case-finding of chronic obstructive pulmonary disease with questionnaire, peak flow measurements and spirometry: a cross-sectional study | BMC Research Notes | Full Text
![Peak flow meter with a questionnaire and mini-spirometer to help detect asthma and COPD in real-life clinical practice: a cross-sectional study | npj Primary Care Respiratory Medicine Peak flow meter with a questionnaire and mini-spirometer to help detect asthma and COPD in real-life clinical practice: a cross-sectional study | npj Primary Care Respiratory Medicine](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41533-017-0036-8/MediaObjects/41533_2017_36_Fig3_HTML.jpg)