Comment on: Wollmer P, Engström G. Fixed ratio or lower limit of normal (LLN) as cut-off value for FEV1/VC: An outcome study. Respiratory Medicine (2013) 107, 1460–1462.: Fixed ratio or lower limit of normal (LLN) as cut-off value for FEV1/VC
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- Correspondence
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Respiratory Medicine July 2015 109(7):928-928 - Subject
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- ISSN
- 0954-6111