PT - JOURNAL ARTICLE AU - Barbara Sibbald TI - Medical students oppose two-tier, petition CMA AID - 10.1503/cmaj.060681 DP - 2006 Jul 04 TA - Canadian Medical Association Journal PG - 18--18 VI - 175 IP - 1 4099 - http://www.cmaj.ca/content/175/1/18.1.short 4100 - http://www.cmaj.ca/content/175/1/18.1.full SO - CMAJ2006 Jul 04; 175