Figure 3From: Green tea consumption and risk of esophageal cancer: a meta-analysis of epidemiologic studies Begg’s funnel plot of studies on medium green tea intake and esophageal cancer risk about results of the included studies. The solid line in the center is the natural logarithm of pooled relative risk ratio (RR/OR), and two oblique lines are pseudo 95% confidence limits. SE, standard error.Back to article page