Fig. 4. Starting portals used in navigation simulations.
For ICD-10, MeSH and SNOMED CT we used a portal obtained by mapping navigation bar articles from WebMD.com to Wikipedia articles (subfigure a).
Official websites use .gov
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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.