PT - JOURNAL ARTICLE AU - Jeremy Grimshaw AU - Jonathan Craig AU - David Tovey AU - Mark Wilson TI - The Cochrane Collaboration 20 years in AID - 10.1503/cmaj.131251 DP - 2013 Sep 17 TA - Canadian Medical Association Journal PG - 1117--1118 VI - 185 IP - 13 4099 - http://www.cmaj.ca/content/185/13/1117.short 4100 - http://www.cmaj.ca/content/185/13/1117.full SO - CMAJ2013 Sep 17; 185