in five spontaneously breathing anesthetized subjects [ halothane approximately 1 minimal alveolar concentration ( mac ) , 70 % n2o , 30 % o2 ] , flow , changes in lung volume , and esophageal and airway opening pressure were measured in order to partition the elastance ( ers ) and flow resistance ( rrs ) of the total respiratory system into the lung and chest wall components .
C0035203
breathing
C0024109
respiratory