Periodontitis is related to lung volumes and airflow limitation: a cross-sectional study
Birte Holtfreter, Stefanie Richter, Thomas Kocher, Marcus Dörr, Henry Völzke, Till Ittermann, Anne Obst, Christoph Schäper, Ulrich John, Peter Meisel, Anne Grotevendt, Stephan B. Felix, Ralf Ewert, Sven Gläser
European Respiratory Journal Dec 2013, 42 (6) 1524-1535; DOI: 10.1183/09031936.00109112