Intracellular potentials recorded from the myocardium in situ: an improved technique.
D000818:Animals; D004285:Dogs; D004594:Electrophysiology / Q000295:instrumentation*; D006321:Heart / Q000502:physiology*; D008846:Micromanipulation / Q000295:instrumentation; D008853:Microscopy / Q000295:instrumentation*