Unlike NE cells from the lungs, those found in the trachea and larynx did not respond to pressure changes, she found. But the airway NE cells did release signals in response to water and acid.

Extract: The total body plethysmograph method of DuBois et al. [7] for measurement of lung volume and airway resistance was adapted to the study of newborn infants. A Rendell-Baker mask directly ...