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Credit
Galvano-therapeutics : the physiological and therapeutical action of the galvanic current upon the acoustic, optic, sympathetic, and pneumogastric nerves / by William B. Neftel. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.