title: Opioids in COPD: a cause of death or a marker of illness severity?
authors: Dept of Medicine, University of Toronto, Toronto, ON, Canada james.downar@utoronto.ca.
authors: James
authors: J
authors: Downar
authors: Dept of Medicine, University of Toronto, Toronto, ON, Canada.
authors: Rebecca
authors: R
authors: Colman
authors: Division of Palliative Medicine, Dalhousie University, Halifax, NS, Canada.
authors: Robert
authors: R
authors: Horton
authors: Dept of Medicine, Dalhousie University, Halifax, NS, Canada.
authors: Paul
authors: P
authors: Hernandez
authors: Division of Respirology, Dalhousie University, Halifax, NS, Canada.
authors: Graeme
authors: G
authors: Rocker
mesh_terms: D000701:Analgesics, Opioid; D015415:Biomarkers; D002423:Cause of Death; D003643:Death; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive; D012720:Severity of Illness Index
chemical_list: D000701:Analgesics, Opioid; D015415:Biomarkers