Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The data shown are the mean ± s.e.m. values of the changes in airway opening pressure (Pa,o) per unit rib displacement (Xr) obtained for the different ribs in six animals. The filled circles correspond to the values obtained during cranial loading of the odd-numbered rib pairs; the open circles correspond to the values obtained during caudal loading of the even-numbered rib pairs.
