1. The polar method of electrotherapy in gynecology: application, dosage, and medication Author(s): Engelmann, George J. (George Julius), 1847-1903 Publication: [Philadelphia : Lea Brothers & Co., 1887?] Subject(s): Electric Stimulation Therapy -- methodsElectric Stimulation Therapy -- instrumentationGenital Diseases, Female -- therapy
2. The interrupted high-voltage primary, or mixed current Author(s): Engelmann, George J. (George Julius), 1847-1903 Publication: [Philadelphia? : s.n., 1894?] Subject(s): Electric Stimulation Therapy -- instrumentation
