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.
The “5S” approach to finding useful evidence. This framework provides a model for the organization of evidence-based information services. Ideally, resources become more reliable, relevant and readable as one moves up the pyramid. To optimize search efficiency, it is best to start at the top of the pyramid and work down when trying to answer a clinical question.
