maximal expiratory flow rateとは意味:最大呼気流量{さいだい こき りゅうりょう}◆【略】MEFR maximal expiratory flow rate meaning:[Medicine] The airflow rate measured during the first liter expired after the first 200 ml have been exhausted during a FORCED VITAL CAPACITY determination. Common abbreviations are MEFR,FEF 200-1200,...