TY - JOUR T1 - Long-form census change worries health researchers JF - Canadian Medical Association Journal JO - CMAJ SP - E563 LP - E564 DO - 10.1503/cmaj.109-3322 VL - 182 IS - 12 AU - Roger Collier Y1 - 2010/09/07 UR - http://www.cmaj.ca/content/182/12/E563.abstract ER -