title: Invited commentary.
authors.affiliation: Department of Cardiothoracic Surgery, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, D-93053 Regensburg, Germany. christof.schmid@klinik.uni-regensburg.de
authors.forename: Christof
authors.initials: C
authors.lastname: Schmid
mesh_terms: D000818:Animals; D001187:Artificial Organs; D008168:Lung; D008170:Lung Compliance; D008297:Male; D010805:Physical Conditioning, Animal / Q000502:physiology*; D012146:Rest / Q000502:physiology*