On wakefulness : with an introductory chapter on the physiology of sleep / by William A. Hammond.
- Hammond, William A. (William Alexander), 1828-1900.
- Date:
- 1866
Licence: Public Domain Mark
Credit: On wakefulness : with an introductory chapter on the physiology of sleep / by William A. Hammond. Source: Wellcome Collection.
Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.
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