title: The relationship between the positions of the left ventricular papillary muscles and the direction of the QRS axis.
authors.affiliation: Institute of Genetic Medicine, Newcastle University, Newcastle-upon-Tyne, United Kingdom. Electronic address: sejjran@ucl.ac.uk.
authors.forename: Robert H
authors.initials: RH
authors.lastname: Anderson
mesh_terms: D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D010210:Papillary Muscles