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.
Positions of the bronchial tree on TI-EPI during 26 end-inspiration phase gating fractions of patient 1 (left). Similarly, the positions on TI-EPI of both fiducial markers in patient 2 during 17 end-expiration gating fractions are shown (right).
