Regional variations in mortality from heart disease.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003327:Coronary Disease / Q000401:mortality; D004782:Environmental Health; D005260:Female; D005843:Geography; D006331:Heart Diseases / Q000401:mortality*; D006761:Hospitals / Q000600:supply & distribution; D006801:Humans; D008297:Male; D008875:Middle Aged; D010820:Physicians / Q000600:supply & distribution; D012737:Sex Factors; D013223:Statistics as Topic; D014481:United States