Lung function trajectories using different reference equations in a birth cohort study up to the age of 20 years.
Christiane LexMarvin ReuterAntje SchusterLinus GrabenhenrichCarl-Peter BauerUte HoffmannJohannes ForsterFred ZeppUlrich WahnThomas KeilSusanne LauDirk SchrammPublished in: The European respiratory journal (2018)