TY - JOUR T1 - The effect of publication bias magnitude and direction on the certainty in evidence JF - BMJ Evidence-Based Medicine JO - BMJ EBM SP - 84 LP - 86 DO - 10.1136/bmjebm-2018-110891 VL - 23 IS - 3 AU - Mohammad Hassan Murad AU - Haitao Chu AU - Lifeng Lin AU - Zhen Wang Y1 - 2018/06/01 UR - http://ebm.bmj.com/content/23/3/84.abstract N2 - ER -