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Nickol, Annabel H., Nicholas Hart, Nicholas S. Hopkinson, Carl-Hugo Hamnegård, John Moxham, Anita Simonds, ja Michael I. Polkey. Mechanisms of Improvement of Respiratory Failure in Patients With COPD Treated With NIV. Dove Medical Press, 2008.

Nickol, Annabel H., et al. Mechanisms of Improvement of Respiratory Failure in Patients With COPD Treated With NIV. Dove Medical Press, 2008.