title: [Exercise tolerance in healthy children evaluated by means spiroergometry in a closed system].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D010101:Oxygen Consumption; D005082:Physical Exertion; D013147:Spirometry
vernacular_title: Ocena wydolności wysiłkowej dzieci zdrowych metoda spiroergometrii w układzie zamknietym