TY - JOUR T1 - Who is that bear? JF - Canadian Medical Association Journal JO - CMAJ SP - 664 LP - 664-a DO - 10.1503/cmaj.1050234 VL - 174 IS - 5 AU - Steven L. Senior Y1 - 2006/02/28 UR - http://www.cmaj.ca/content/174/5/664.2.abstract ER -