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.
Reference frame from a dynamic data set of a good (a) and an imperfect (c) breath-hold. Image (b and d) shows a cross-section along the temporal direction located at the vertical line indicated in the reference frames (a, c). The cross-section in (d) shows an upwards trend in the positioning of the small bowel (see arrows).
