title: [Historical outline of electrocardiography].
authors.affiliation: Zespół Opieki Zdrowotnej, Jaworze.
authors.forename: W
authors.initials: W
authors.lastname: Piotrowski
mesh_terms: D004562:Electrocardiography / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D011044:Poland
vernacular_title: Zarys dziejów elektrokardiografii.