Agency for Health Research Quality (AHRQ) Clinical Practice Guidelines
A good source for clinical practice guidelines from AHRQ and links to other guideline sites such as the U.S. Public Health Service.

Clinical Practice Guidelines Infobase
Guidelines in this collection were produced or endorsed in Canada by a national, provincial, or territorial medical/health organization, professional society, government agency or expert panel. The database is searchable by category, title, or developer. Full text is available.

EBM Guidelines
A collection of guidelines summarized and evaluated in the format of a systematic review. Links to relevant systematic reviews in Cochrane are provided.

Finding Clinical Practice & Prevention Guidelines
A listing of several Internet sources linking to clinical practice and prevention guidelines.

National Guideline Clearinghouse
This database is intended to make evidence-based clinical guidelines and related abstract, summary, and comparison materials widely available to health care professionals. NGC is operated by the U.S. Dept of Health and Human Services, Agency for Health Care Policy and Research (AHCPR), in partnership with the American Medical Association (AMA) and the American Association of Health Plans (AAHP).