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Treatment Outcome
Randomized Controlled Trials
Risk Factors
Severity of Illness Index
Time Factors
Research Design
Clinical Trials as Topic
Double-Blind Method
Tissue Plasminogen Activator
United States
South Carolina
African Americans
European Continental Ancestry Group
Stroke
Parkinson's Disease
Brain Ischemia
Colorectal Neoplasms
Questionnaires
Automobiles
National Institutes of Health (U.S.)
Co-Publications
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