| cdc.gov | US - - Centers for Disease Control and Prevention (CDC) |
| uihealthcare.com | The University of Iowa Hospitals & Clinics |
| preventdisease.com | PreventDisease.com |
| tripod.com | RJ's Medical Directory |
| thumbshots.com | Thumbshots.com - Free Web thumbnail preview image. Visualize sites in |
| upenn.edu | OncoLink: A University of Pennsylvania Cancer Center Resource |
| noah-health.org | Noah: New York Online Access To Health |
| emory.edu | MedWeb |
| freemedicaljournals.com | The Free Medical Journals Site |
| fda.gov | Food and Drug Administration |
| vh.org | dentistry.vh.org/ |
United States , Iowa , Iowa City