title: COPD treatment: about collateral channels and collapsing airways.
authors.affiliation: Dept of Internal Medicine/Infectious Diseases and Respiratory Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany ralf-harto.huebner@charite.de.
authors.forename: Ralf-Harto
authors.initials: RH
authors.lastname: Hubner
authors.affiliation: Dept of Internal Medicine/Infectious Diseases and Respiratory Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany.
authors.forename: Dominik
authors.initials: D
authors.lastname: Herzog
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive; D012137:Respiratory System