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Mean ratio of peak inspiratory flow (PIF) to peak expiratory flow (PEF)... | Download Scientific Diagram
Characterisation of Brachycephalic Obstructive Airway Syndrome in French Bulldogs Using Whole-Body Barometric Plethysmography | PLOS ONE
![File:Normal values for Peak Expiratory Flow PEF - EU scale - symbolic designators.png - Wikimedia Commons File:Normal values for Peak Expiratory Flow PEF - EU scale - symbolic designators.png - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/57/Normal_values_for_Peak_Expiratory_Flow_PEF_-_EU_scale_-_symbolic_designators.png)
File:Normal values for Peak Expiratory Flow PEF - EU scale - symbolic designators.png - Wikimedia Commons
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