"George M. Beard"
Research and Discovery: Landmarks and Pioneers in American Science
M. E. Sharpe
history, neurology, neurasthenia
History | History of Science, Technology, and Medicine | Mental and Social Health
David G. Schuster (2008).
"George M. Beard". Research and Discovery: Landmarks and Pioneers in American Science. 320-321. M. E. Sharpe.
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