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[Multicenter study on "non-invasive ventilation in patients with severe chronic obstructive pulmonary disease and

T Köhnlein1, C P Criée, D Köhler

  • 1Medizinische Hochschule Hannover, Abteilung Pneumologie, Hannover. thomas.koehnlein@web.de

Pneumologie (Stuttgart, Germany)
|August 5, 2004
PubMed

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