Electric belt.
Kravetz
Robert E
RE
Archives Committee, American College of Gastroenterology.
D003020:Clothing / Q000266:history; D004599:Electric Stimulation Therapy / Q000266:history* / Q000295:instrumentation; D049672:History, 19th Century; D006801:Humans; D013677:Medical Laboratory Science / Q000266:history*; D014481:United States