NIH
(www.nih.gov)
NIH is the steward of medical and behavioral research for the Nation. Its mission is science in pursuit of fundamental knowledge about the nature and behavior of living systems and the application of that knowledge to extend healthy life and to reduce the burdens of illness and disability. NIH is part of the U.S. Department of Health and Human Services (DHHS).

NLM
(www.nlm.nih.gov)
NLM is the world's largest library dealing with a single scientific/professional topic. It cares for more than 4.5 million holdings (including books, journals, reports, manuscripts, and audiovisual items) and sponsors MedlinePlus, a source of up-to-date, quality health care information from NLM and NIH.

Healthfinder
(www.healthfinder.gov)
Healthfinder is a gateway consumer health information Web site from DHHS.

NWHIC
(www.4women.gov)
NWHIC is a national clearinghouse for women's health information, sponsored by the Office on Women's Health within DHHS. NWHIC is the only Federal, commercial-free, combined women's health Web site and toll-free phone information center.