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  • Title: [Effects of hyperpolarizing currents on the action potentials of nodal and perinodal sino-atrial cells of the rabbit heart].
    Author: Kreitner D.
    Journal: C R Acad Hebd Seances Acad Sci D; 1977 Nov 28; 285(15):1319-21. PubMed ID: 414847.
    Abstract:
    A technique of focal polarization allowed us to confirm that the action potentials of the true rabbit heart pacemaker cells possess a rapid sodium channel normally inactivated because of the low value of the take-off potential of this tissue. The latent pacemaker cells are regular sinocaval cells depolarized as a consequence of the proximity of true pacemaker cells.
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