TY - JOUR T1 - Reconsidering survival JF - Canadian Medical Association Journal JO - CMAJ SP - 1148 LP - 1148 DO - 10.1503/cmaj.071339 VL - 177 IS - 9 AU - Mark Leith MD Y1 - 2007/10/23 UR - http://www.cmaj.ca/content/177/9/1148.abstract ER -