Practical surrogate marker of pulmonary dysanapsis by simple spirometry: an observational case–control study in primary care

Background: We see patients who present with spirometry airflow limitation despite their forced expiratory volume in one second (FEV1) as well as forced vital capacity (FVC) to be supernormal (FEV1/FVC 
Source: BMC Family Practice - Category: Primary Care Authors: Source Type: research