What Are Clinical Trials
ClinicalTrials.gov - A service from the U.S. NIH
Clinical Trials - Mayo Clinic Research
NIH Clinical Research Trials
Clinical Trials: A Guide for Patients
FDA Patient Network - Official Site
Clinical Trials Information for Patients and Caregivers
Clinical Trials: MedlinePlus
Clinical trials at Duke
Cancer Clinical Trials at MD Anderson Cancer Center
Clinical Trials: About Phases, Testing, and Types
Cancer Support Community