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Dr. Leon Robertson discusses recent research on the increasing concentration of wealth among the few in the U.S.

Dr. Leon S. Robertson responds to questions regarding injury causation and injury prevention.

Dr. Leon S. Robertson presents examples of the uses of epidemiology for injury prevention programs.

Dr. Leon S. Robertson presents examples of the use of injury epidemiology to design and evaluate injury prevention programs.

Dr. Leon S. Robertson presents examples of the use of injury epidemiology to design injury prevention programs.

Dr. Leon S. Robertson explains what epidemiologists do and gives example of successful injury prevention efforts based on epidemiological data.