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. 2020 Mar 30;48(3):0300060519899780. doi: 10.1177/0300060519899780

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© The Author(s) 2020

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Figure 2. — Forest plots of studies evaluating the association between pre-treatment serum AFP levels and gastric cancer. The squares and horizontal lines correspond to the study specific hazard ratios (HR) and 95% confidence intervals (CIs), respectively. The area of the squares reflects the weight (inverse of the variance). The diamond represents the summary HR and 95% CI.