Comment on

• Rationing medical progress. The way to affordable health care.

  Callahan D. Callahan D. N Engl J Med. 1990 Jun 21;322(25):1810-3. doi: 10.1056/NEJM199006213222511. N Engl J Med. 1990. PMID: 2111880 No abstract available.
• Age as a criterion for rationing health care.

  Levinsky NG. Levinsky NG. N Engl J Med. 1990 Jun 21;322(25):1813-6. doi: 10.1056/NEJM199006213222512. N Engl J Med. 1990. PMID: 2136342 No abstract available.