title: The diagnostic value of the forced expiratory time.
authors.forename: D G
authors.initials: DG
authors.lastname: Kern
authors.forename: S R
authors.initials: SR
authors.lastname: Patel
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008875:Middle Aged; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity