Hospital and posthospital survival in patients mechanically ventilated for more than 29 days.

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@article{Gracey1992HospitalAP, title={Hospital and posthospital survival in patients mechanically ventilated for more than 29 days.}, author={Douglas R. Gracey and James M. Naessens and I Krishan and Harold Michael Marsh}, journal={Chest}, year={1992}, volume={101 1}, pages={211-4} }