[AN AMERICAN SYSTEM FOR CODIFYING ELECTROCARDIOGRAMS].
D002965:Classification; D004562:Electrocardiography; D005006:Ethnicity; D006801:Humans; D009275:Names; D009626:Terminology as Topic; D014481:United States
CLASSIFICATION; ELECTROCARDIOGRAPHY; NOMENCLATURE; UNITED STATES
ETT AMERIKANSKT SYSTEM FOER KODIFIERING AV EKG.