[Practical method of determining the direction of the electrical axis in the frontal plane; bibliography of literature concerning methods of determining it].
D004560:Electricity; D004562:Electrocardiography; D006801:Humans; D011642:Publications
ELECTROCARDIOGRAPHY
Metodo practico para determinar la dirección del eje electrico en el plano frontal; revision bibliografica de los metodos para obtenerla.