PT - JOURNAL ARTICLE AU - J. Lexchin TI - Can a health care system change? DP - 1997 Sep 01 TA - Canadian Medical Association Journal PG - 507--508 VI - 157 IP - 5 4099 - http://www.cmaj.ca/content/157/5/507.2.short 4100 - http://www.cmaj.ca/content/157/5/507.2.full SO - CMAJ1997 Sep 01; 157