Bioelectric potentials--their source, recording, and significance.
D000818:Animals; D004562:Electrocardiography / Q000266:history; D004569:Electroencephalography / Q000266:history; D004594:Electrophysiology / Q000266:history*; D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014481:United States