title: On Einthoven's triangle, the theory of unipolar electrocardiographic leads, and the interpretation of the precordial electrocardiogram.
authors.forename: F N
authors.initials: FN
authors.lastname: WILSON
authors.forename: F D
authors.initials: FD
authors.lastname: JOHNSTON
mesh_terms: D004562:Electrocardiography; D006321:Heart; D006801:Humans