Hansen, J. E., Porszasz, J., Casaburi, R., & Stringer, W. W. (2015). Re-Defining Lower Limit of Normal for FEV(1)/FEV(6), FEV(1)/FVC, FEV(3)/FEV(6) and FEV(3)/FVC to Improve Detection of Airway Obstruction. Chronic Obstr Pulm Dis.
Chicago Style aipamenaHansen, James E., Janos Porszasz, Richard Casaburi, and William W. Stringer. "Re-Defining Lower Limit of Normal for FEV(1)/FEV(6), FEV(1)/FVC, FEV(3)/FEV(6) and FEV(3)/FVC to Improve Detection of Airway Obstruction." Chronic Obstr Pulm Dis 2015.
MLA aipamenaHansen, James E., Janos Porszasz, Richard Casaburi, and William W. Stringer. "Re-Defining Lower Limit of Normal for FEV(1)/FEV(6), FEV(1)/FVC, FEV(3)/FEV(6) and FEV(3)/FVC to Improve Detection of Airway Obstruction." Chronic Obstr Pulm Dis 2015.