Sulfotanshinone Sodium Injection for Unstable Angina Pectoris: A Systematic Review of Randomized Controlled Trials

<table>Funnel plot of comparison: SS plus routine therapy versus routine therapy, outcome: clinical symptom improvement. (Each dot represents one study. All the dots are conforming to a triangular form, meaning that publication bias is low).</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 8

Figure 8: Sulfotanshinone Sodium Injection for Unstable Angina Pectoris: A Systematic Review of Randomized Controlled Trials 