Comment on

• Use of cardiac procedures and outcomes in elderly patients with myocardial infarction in the United States and Canada.

  Tu JV, Pashos CL, Naylor CD, Chen E, Normand SL, Newhouse JP, McNeil BJ. Tu JV, et al. N Engl J Med. 1997 May 22;336(21):1500-5. doi: 10.1056/NEJM199705223362106. N Engl J Med. 1997. PMID: 9154770
• Appropriateness of coronary angiography after myocardial infarction among Medicare beneficiaries. Managed care versus fee for service.

  Guadagnoli E, Landrum MB, Peterson EA, Gahart MT, Ryan TJ, McNeil BJ. Guadagnoli E, et al. N Engl J Med. 2000 Nov 16;343(20):1460-6. doi: 10.1056/NEJM200011163432006. N Engl J Med. 2000. PMID: 11078772