KORNFELD, P Studies in myasthenia gravis. Evaluation of cardiac conduction. [electronic resource] - Journal of the Mount Sinai Hospital, New York - 330-3 p. digital Publication Type: Journal Article ISSN: 0099-9695 Subjects--Topical Terms: ElectrocardiographyHeart--physiologyHeart RateHumansMyasthenia Gravis--physiology