title: Galvanism as therapeutic agent: Perkins's "Metallic tractors" and the placebo effect.
authors.affiliation: University of Kentucky, USA.
authors.forename: J
authors.initials: J
authors.lastname: Greenway
mesh_terms: D000529:Complementary Therapies / Q000266:history*; D004864:Equipment and Supplies / Q000266:history*; D005060:Europe; D005712:Galvanic Skin Response; D049671:History, 18th Century; D049672:History, 19th Century; D015990:Placebo Effect; D014481:United States