Official websites use .gov
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.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.
NLM website usage as a percentage of NIH usage, October 2004, based on comScore data
| Unique Visitors(Reach)(%) | Total Pages(Share)(%) | |
| NCBI (including PubMed) | 45 | 64+ |
| MedlinePlus | 39 | 14 |
| Other NLM websites | 4 | 1 |
| Totals | 55-75 (estimated; not additive) |
80+ (additive) |
