... acquisition of data, analysis and interpretation of data, and drafting and revising the manuscript. SNS contributed to study design, acquisition of data, analysis and interpretation of data, ... reduced airway dilation at maximal inspiration, likely due to structural differences in airway walls and/ or functional diffe rences in airway smooth muscle, factors that may also increase airwayresponsiveness ... KR:Tracking variations in airway caliber by using total respiratory vs. airwayresistance in healthy and asthmatic subjects. J Appl Physiol 2003,95(2):511-518.5. Crapo RO, Casaburi R, Coates AL,...