HOLZMANN, M [Standardization of technic and nomenclature of precordial leads in electrocardiography]. [electronic resource] - Schweizerische medizinische Wochenschrift Aug 1950 - 856-7 p. digital Publication Type: Journal Article ISSN: 0036-7672 Subjects--Topical Terms: ElectrocardiographyHumansNamesReference StandardsThoracic Wall