Methods25normal skull were used to investigate the configurations of IOF and IOG.

方法正常颅骨25个，肉眼观察眶下裂和眶下沟解剖形态。

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IOF is an international organization registered in Berne, Switzerland in 1987. It has a committee of 167 national Societies in 83 countries, territories and regions.

IOF是一个于1987年在瑞士伯尔尼注册的国际性组织，它在世界范围内的83个国家、地区拥有167个国家学会团体。

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Objective To show imaging findings of inferior orbital fissure(IOF)and groove(IOG)on axial CT scans and to discover their anatomic variations, so as to avoid misdiagnosing them as orbital fracture.

目的研究正常人眶下裂和眶下沟横断面CT表现及其解剖基础，避免将其误认为眶壁骨折。

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This is why the IOF tax has never really had any meaningful impact on the (Brazilian) real long-term.

FORBES: Brazil's New Forex Rules Unlikely To Save Dollar

We have seen this before, but the extra IOF taxes have not yet decreased appetite for Brazilian bonds.

FORBES: Brazil's New Forex Rules Unlikely To Save Dollar

It started raising the IOF tax on international bond purchases late last year.

FORBES: Brazil Companies Overdosing on Dollar Debt; Govt Puts the Breaks On