Methods Based on the anatomic study, the vascularized periosteal flat of the firstcuneiform bone was designed to transplant into navicular.
方法在解剖学研究基础上,设计带血管的第一楔骨骨膜瓣植入舟状骨。
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The first true writing we know of is Sumerian cuneiform- consisting mainly of wedge-shaped impressions on clay tablets - whichwas used more than 5000 years ago in Mesopotamia.