title: [Standardization of ECG leads].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography / Q000266:history / Q000295:instrumentation / Q000592:standards*; D049672:History, 19th Century; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
vernacular_title: Standardisering av EKG-avledningar