title: Defining "serious illness".
authors.affiliation: Brookdale Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai , New York, New York.
authors.forename: Amy S
authors.initials: AS
authors.lastname: Kelley
mesh_terms: D016638:Critical Illness / Q000145:classification*; D006801:Humans; D010166:Palliative Care; D009626:Terminology as Topic