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Credit
The medical use of electricity : with special reference to general electrization as a tonic in neuralgia, rheumatism, dyspepsia, chorea, paralysis, and other affections associated with general debility : with illustrative cases / by Geo. M. Beard, and A.D. Rockwell. Public Domain Mark. 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.