in a demographic study , the black ohio residents were characterized by those born in ohio and those born in other regions of the united states , and comparisons were made of rates for all deaths ( 1960-1967 ) for coronary heart disease ( 420 ) , endocarditis and myocardial degeneration ( 421-422 ) , hypertensive cardiovascular diseases ( 440-447 ) , cerebrovascular diseases ( 300-334 ) , cardiovascular diseases ( 400-468 ) , and total diseases of the cardiovascular system ( 300-334 ) ( 400-468 ) .
C0028905
ohio
C0041703
united states