Systematic Reviews and Meta-Analyses of Traditional Chinese Medicine Must Search Chinese Databases to Reduce Language Bias

<table>Funnel plot of RCTs of traditional Chinese medicine for treatment of unstable angina according to databases from which the studies were identified (the solid dot represents the trial identified from international databases, and the black dots represent trials from Chinese databases).</table>

Evidence-Based Complementary and Alternative Medicine

fig3

Figure 3

Figure 3: Systematic Reviews and Meta-Analyses of Traditional Chinese Medicine Must Search Chinese Databases to Reduce Language Bias 