clinicaltrials.gov Alternatives
wikipedia.org - Clinical trial - Wikipedia
nih.gov - NIH Clinical Research Trials and You | National Institutes ...
nih.gov - What Are Clinical Trials and Studies?
webmd.com - Clinical Trials: A Guide for Patients - WebMD
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cancer.gov - Clinical Trials Information for Patients and Caregivers ...
clinicaltrials.gov - Find Studies - ClinicalTrials.gov
cancer.org - Cancer Clinical Trials | Cancer Trials | American Cancer ...
nih.gov - NIH's Definition of a Clinical Trial | grants.nih.gov