The efficacy of Perkins's patent metallic tractors, in topical diseases on the human body, and animals; exemplified by 250 cases ... To which is prefixed, a preliminary discourse, in which, the fallacious attempts of Dr. Haygarth, to detract from the merits of the tractors, are detected, and fully confuted / By Benjamin Douglas Perkins.
- Benjamin Douglas Perkins
- Date:
- 1800
Licence: Public Domain Mark
Credit: The efficacy of Perkins's patent metallic tractors, in topical diseases on the human body, and animals; exemplified by 250 cases ... To which is prefixed, a preliminary discourse, in which, the fallacious attempts of Dr. Haygarth, to detract from the merits of the tractors, are detected, and fully confuted / By Benjamin Douglas Perkins. Source: Wellcome Collection.
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