A text-book of electro-therapeutics and electro-surgery / ... By John Butler.
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A text-book of electro-therapeutics and electro-surgery / ... By John Butler. Credit: 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.. Public Domain Mark