title: [Ergospirometry in lung diseases and its simple execution by means of Douglas Sack].
mesh_terms: D006801:Humans; D008171:Lung Diseases / Q000503:physiopathology*; D008722:Methods; D010101:Oxygen Consumption; D005082:Physical Exertion; D012123:Pulmonary Ventilation; D013147:Spirometry / Q000295:instrumentation*; D014692:Ventilation-Perfusion Ratio
vernacular_title: Ergospirometrie bei Lungenkranken und ihre einfache Durchführung mit dem Douglassack.