Méndez, R [Bio-electric phenomena of heart tissue. I. Introduction and general consideration]. [electronic resource] - Gaceta medica de Mexico 1970 - Suppl 1:3-9 p. digital Publication Type: Journal Article ISSN: 0016-3813 Subjects--Topical Terms: AnimalsAutomatismCatsDogsElectrophysiologyHeart--physiologyHumansMuscle, Smooth--physiology