Mortality from myocardial infarction before and after establishment of a coronary care unit.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000401:mortality; D005260:Female; D006323:Heart Arrest / Q000401:mortality / Q000628:therapy; D006760:Hospitalization; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000401:mortality* / Q000628:therapy; D012189:Retrospective Studies; D012737:Sex Factors; D012769:Shock / Q000401:mortality