- American College of Radiology
- Aunt Minnie.com - Radiology news and articles
- Radiology Info.org - Web site on radiology for patients undergoing imaging procedures. Jointly produced by the ACR and RSNA.
- Diagnostic Imaging.com - Featuring the radiology newsletter: Molecular Imaging Outlook.
- How Stuff Works - Web site explaining how things work in practical, layman terms.
- Read How MRI Works
- Alzheimer's Association
- American Cancer Society
- American Diabetes Association
- American Heart Association
- American Lung Association
- American Medical Association
- American Stroke Association
- Arthritis Foundation
- Centers for Disease Control and Prevention
- National Cancer Institute
- National Heart, Lung, and Blood Institute
- National Institute of Diabetes and Digestive and Kidney Disease
- National Institutes of Health
- National Library of Medicine
- National Mental Health Association
- US Food and Drug Administration
