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Letter
Does the Chinese Literature Indicate Larger Effect Sizes? This Might Indeed be the Case
Tae-Hun Kim, Jung Won Kang
Perspect Integr Med. 2023;2(3):202-203.   Published online October 23, 2023
DOI: https://doi.org/10.56986/pim.2023.10.009
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This letter discusses concerns in a currently published meta-epidemiological study on commonly observed large effect sizes in the Chinese literature, focusing on potential selection bias and analysis methods. Researchers should be cautious when conducting systematic reviews that include the literature from specific countries or regions. Regardless of the country, the key issue is to enhance future research quality.

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