The content is available as a PDF (21.6 MB).
. 2011 Apr 21;52(Suppl 1):1–173. [Article in German] doi: 10.1007/s00108-011-2850-3
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.