PT - JOURNAL ARTICLE AU - Allison Shorten AU - Brett Shorten TI - What is meta-analysis? AID - 10.1136/eb-2012-101118 DP - 2013 Jan 01 TA - Evidence Based Nursing PG - 3--4 VI - 16 IP - 1 4099 - http://ebn.bmj.com/content/16/1/3.short 4100 - http://ebn.bmj.com/content/16/1/3.full SO - Evid Based Nurs2013 Jan 01; 16