In addition, the funnel plot for assessing risk of bias appeared to be asymmetrical; suggesting that small studies with 'negative' results are less likely to be published.
此外，评估出版偏差风险的漏斗图显示为非对称的，这表示有“负面”结果的小型研究发表的可能性较小。
Funnel plot showed certain publication bias.
存在发表性偏倚。
Funnel plot showed certain publication bias.
存在发表性偏倚。
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