TY - GEN AU - O'Donnell,D E AU - Parker,C M TI - COPD exacerbations . 3: Pathophysiology SN - 0040-6376 PY - 2006///0425 KW - Acute Disease KW - Heart Diseases KW - etiology KW - Humans KW - Prognosis KW - Pulmonary Disease, Chronic Obstructive KW - Respiration, Artificial KW - Respiratory Function Tests KW - Respiratory Insufficiency N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1136/thx.2005.041830 ER -