略語大辞典 [Med] 29 PEF (mean) peak expiratory flow (rate) (平均)最高呼気流量. 肺機能検査項目. (mean) peak expiratory flow (rate); or PEFR; a lung function parameter; e.g. a clinical mesure of patients with acute asthma; [Med:Phys]. 丸善「略語大辞典」JLogosID : 11855433