title: Introductory note to a classic article by Augustus D. Waller.
authors.affiliation: Cardiology Unit, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA. heartajm@heart.rochester.edu
authors.forename: Arthur J
authors.initials: AJ
authors.lastname: Moss
mesh_terms: D002309:Cardiology / Q000266:history*; D004562:Electrocardiography / Q000266:history* / Q000379:methods; D049672:History, 19th Century; D006801:Humans; D012606:Scotland