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.
Histogram of the distension values of the hernia orifices during Valsalva's maneuver as compared with the hernia sizes at rest in 123 patients. The median value is indicated by the red bar. The data are truncated at 360% for clarity but reach 1800% as an extreme value.
