Methods the data of 123 cases with symmetrical craniocerebral trauma were summarized, and their clinical characteristics and treatment were analyzed retrospectively.
方法总结123例对称性颅脑损伤患者的临床资料，对其临床特点和治疗情况进行回顾性分析。
The answers to these questions coincide either when no heterogeneity is present, or when the distribution of the treatment effects is roughly symmetrical.
当没有异质性存在，或处理效应分布是大致对称的时候，它们的答案是一致的。
The answers to these questions coincide either when no heterogeneity is present, or when the distribution of the treatment effects is roughly symmetrical.
当没有异质性存在，或处理效应分布是大致对称的时候，它们的答案是一致的。
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