Electrocardiographic classification for population comparisons. The Minnesota code.
D002318:Cardiovascular Diseases / Q000453:epidemiology*; D003327:Coronary Disease / Q000453:epidemiology; D004562:Electrocardiography / Q000145:classification*; D004812:Epidemiologic Methods; D006801:Humans; D007256:Information Systems; D008403:Mass Screening; D008910:Minnesota; D013223:Statistics as Topic