diaphragmatic function and biochemical changes were studied during respiratory failure induced by incremental inspiratory threshold loading in anesthetized rabbits ( 1 ) who were unbound and spontaneously breathing , ( 2 ) during lower thoracic and abdominal binding , and ( 3 ) while bound and undergoing transvenous phrenic nerve pacing of the diaphragm .
C0004048
inspiratory
C0035203
breathing