PT - JOURNAL ARTICLE AU - Christopher Leighton TI - Be careful about timelines AID - 10.1503/cmaj.110-2007 DP - 2010 Jan 12 TA - Canadian Medical Association Journal PG - 63--63-c VI - 182 IP - 1 4099 - http://www.cmaj.ca/content/182/1/63.4.short 4100 - http://www.cmaj.ca/content/182/1/63.4.full SO - CMAJ2010 Jan 12; 182