DOI: 10.1055/s-00000147

Allgemein- und Viszeralchirurgie up2date

References

Griffiths J, Barber VS, Morgan L.
Systemic review and meta-analysis of studies on the timing of tracheostomy in adult patients undergoing artificial ventilation. 
Br Med J 2005; 330: 1243-1249  

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