title: Donald Emslie-Smith.
authors.forename: Derek
authors.initials: D
authors.lastname: Maclean
mesh_terms: D002309:Cardiology / Q000266:history*; D022062:Electrophysiologic Techniques, Cardiac / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D006113:United Kingdom