Aim: to explore the value of the improved percutaneous dilational tracheostomy (IPDT) in emergency and intensive case unit (ICU).

目的：探讨改良经皮扩张气管切开术(IPDT)在急诊和ICU的应用价值。

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Rudy Jaramillo, who started investigating the murder in 2002 when he served with a Rangers cold case unit.

CNN: SHARE THIS

Sergeant Jorge Duran, supervisor of the San Diego cold case unit, has used the media to close old cases.

CNN: Solving the cold case: Time, DNA and ingenuity can help

The Cold Case Unit was set up at the instruction of Scotland's chief prosecutor, the lord advocate, in June 2011 to oversee cases that were kept open because of a possibility of new information emerging.

BBC: Malcolm Webster