PT - JOURNAL ARTICLE AU - Roger Collier TI - Professionalism: the historical contract AID - 10.1503/cmaj.109-4230 DP - 2012 Aug 07 TA - Canadian Medical Association Journal PG - 1233--1234 VI - 184 IP - 11 4099 - http://www.cmaj.ca/content/184/11/1233.short 4100 - http://www.cmaj.ca/content/184/11/1233.full SO - CMAJ2012 Aug 07; 184