Fixed ratio or lower limit of normal as cut-off value for FEV1/VC: Response to the letter by Vaz Fragoso et al.

Fixed ratio or lower limit of normal as cut-off value for FEV1/VC: Response to the letter by Vaz Fragoso et al.

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Respiratory Medicine - Volume 109, Issue 7, July 2015, Page 929

Per Wollmer, Gunnar Engström,