Meta-Analysis
Copyright ©The Author(s) 2019.
World J Gastrointest Endosc. Apr 16, 2019; 11(4): 271-280
Published online Apr 16, 2019. doi: 10.4253/wjge.v11.i4.271
Figure 4
Figure 4 Funnel plot for publication bias. A: Outcome gastroesophageal reflux disease; B: Outcome dysphagia. SMD: Standard mean difference; GERD: Gastroesophageal reflux disease.