To give precise definition of 'safe triangle 'in percutaneous lumber disc puncture, explore anatomical foundation for puncture syndrome.

寻求解决经皮腰椎间盘穿刺中“工作三角”或“安全三角”的确切定义，探明穿刺并发症的解剖学基础。

youdao

Conclusions Posterior Calot's triangle approach LC is a safe procedure and simple to operate.

结论经后三角入路解剖胆囊管进行LC是一种安全、容易掌握的手术方法。

youdao

Although it is the least safe part of Central America, the northern triangle does receive tourists seeking Mayan ruins, volcanoes, beaches and jungles.

BBC: Central America��s shift in safety