[Epidemiological study of coronary atherosclerosis and cardiac infarct in large cities and in the country].
D002947:Cities; D003324:Coronary Artery Disease; D003327:Coronary Disease / Q000706:statistics & numerical data*; D016021:Epidemiologic Studies; D006801:Humans; D009203:Myocardial Infarction / Q000706:statistics & numerical data*
CORONARY DISEASE/statistics; MYOCARDIAL INFARCT/statistics