PT - JOURNAL ARTICLE AU - Roger Collier TI - A black sheep in the nuclear family AID - 10.1503/cmaj.080256 DP - 2008 Mar 11 TA - Canadian Medical Association Journal PG - 668--668 VI - 178 IP - 6 4099 - http://www.cmaj.ca/content/178/6/668.short 4100 - http://www.cmaj.ca/content/178/6/668.full SO - CMAJ2008 Mar 11; 178