title: Problems in evaluation of coronary care units.
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D000368:Aged; D003325:Coronary Care Units / Q000592:standards*; D003718:Denmark; D003951:Diagnostic Errors; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000401:mortality; D011446:Prospective Studies; D012189:Retrospective Studies