Peak expiratory flow rate | Journal of Paramedic Practice
Table 2 from Comparison of peak expiratory flow measurement by Mini-Wright peak flow meter and electronic spirometer in healthy elementary school children | Semantic Scholar
Reference values for peak expiratory flow in Indian adult population using a European Union scale peak flow meter Kodgule R R, Singh V, Dhar R, Saicharan B G, Madas S J, Gogtay