PT - JOURNAL ARTICLE AU - Sayers, Adrian TI - Tips and tricks in performing a systematic review DP - 2007 Sep 01 TA - British Journal of General Practice PG - 759--759 VI - 57 IP - 542 4099 - http://bjgp.org/content/57/542/759.1.short 4100 - http://bjgp.org/content/57/542/759.1.full SO - Br J Gen Pract2007 Sep 01; 57