Meta-Analysis
Copyright ©The Author(s) 2017.
World J Gastrointest Endosc. Nov 16, 2017; 9(11): 552-557
Published online Nov 16, 2017. doi: 10.4253/wjge.v9.i11.552
Figure 1
Figure 1 Flow diagram of study selection[22-25]. OSA: Obstructive sleep apnea.