title: A look back: the electrocardiogram.
authors.forename: L
authors.initials: L
authors.lastname: Manley
mesh_terms: D004562:Electrocardiography / Q000266:history*; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010827:Physiology / Q000266:history