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

<table>Meta-analysis of trials of traditional Chinese medicine for treatment of unstable angina to prevent reattack of angina, according to databases from which RCTs were identified.</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 2

Figure 2: Systematic Reviews and Meta-Analyses of Traditional Chinese Medicine Must Search Chinese Databases to Reduce Language Bias 