We report the results of a retrospective study of 43 patients with these complex fractures who were treated at a single Level 1 trauma centre.

我们回顾性研究了在同一个一级创伤治疗中心收治的43名遭受同侧股骨干合并股骨颈骨折的患者。

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Methods: a retrospective study method, 308 cases of adverse reactions of anti-microbial drugs case report for statistical analysis.

方法：采用回顾性研究方法，对308例抗微生物药不良反应病例报告进行统计分析。

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First, it is a retrospective case-control study and is therefore susceptible to reporting bias, meaning that people with ALS may report their coffee consumption differently from controls.

FORBES: Does Coffee Drinking Really Protect Against Devastating Diseases?