PT - JOURNAL ARTICLE AU - Roger Collier TI - Long-form census change worries health researchers AID - 10.1503/cmaj.109-3322 DP - 2010 Sep 07 TA - Canadian Medical Association Journal PG - E563--E564 VI - 182 IP - 12 4099 - http://www.cmaj.ca/content/182/12/E563.short 4100 - http://www.cmaj.ca/content/182/12/E563.full SO - CMAJ2010 Sep 07; 182