TY - JOUR T1 - A black sheep in the nuclear family JF - Canadian Medical Association Journal JO - CMAJ SP - 668 LP - 668 DO - 10.1503/cmaj.080256 VL - 178 IS - 6 AU - Roger Collier Y1 - 2008/03/11 UR - http://www.cmaj.ca/content/178/6/668.abstract ER -