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.
A) Social network of EHR users for an arbitrary weekday in 2006. B) Projection of network against first two principal components. In these graphs, each node correspond to a distinct EHR user and each edge represents that two users accessed at least one patient in common.
