Fig. 5.
Estimated case load per year per department at the posterior fossa (x-axis: ranges in absolute number), split by specialty and institution. The spline indicates the relative proportion between institutions at a given case load interval.
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.