They collect Chinese clan records and transcribe African oral genealogies.

他们收集中国的宗谱和非洲人民口口相传的族谱。

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Methods: the clinical records of 92 cases of radial forearm free flap for the oral and maxillofacial reconstruction were summed up and analyzed.

方法：对我科92例应用前臂桡侧游离皮瓣修复口腔颌面软组织缺损的病例进行临床分析。

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The earliest records of temporomandibular dislocation reduced inside the oral cavity can be found in Yinshu (The Pulling Book) unearthed in Han Bamboo script in 1984 in Zhangjiashan, Hu-bei Province.

依据现存文献，颞颌关节脱位口内复位法的最早记载见于1984年湖北省江陵县张家山出土的汉简《引书》。

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They also help to rebut the notion that sub-Saharan Africa produced only oral histories, with little or no written records.

BBC: Timbuktu��s treasure trove of African history

It can include oral testimony of witnesses, including experts on technical matters, documents, public records, objects, photographs and depositions (testimony under oath taken before trial).

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