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Summary: Clinicians’ beliefs regarding patient preferences for life sustaining treatments (mechanical ventilation and cardiopulmonary resuscitation) were less accurate in veterans with chronic obstructive lung disease who did not want these treatments compared to those who did want treatment. 

Downey L, Au DH, Curtis JR, Engelberg RA. 2013. Life-sustaining treatment preferences: matches and mismatches between patients' preferences and clinicians' perceptions. J Pain Symptom Manage. 2013 Jul;46(1):9-19. PMID: 23017611