![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)
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
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peak expiratory flow (PEF) values recorded by mini peak flow meter for... | Download Scientific Diagram
![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)