[The centennial of the Einthoven electrocardiograph. Part II].
Iturralde Torres
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Instituto Nacional de Cardiología Ignacio Chávez, México, D.F., INCICH, Juan Badiano No. 14080 México, D.F.
D004562:Electrocardiography / Q000266:history* / Q000295:instrumentation / Q000379:methods; D004566:Electrodes; D049673:History, 20th Century; D006801:Humans