title: Delusions, delirium, and cognitive impairment: the challenge of clinical heterogeneity.
authors.forename: J
authors.initials: J
authors.lastname: Francis
mesh_terms: D000368:Aged; D003072:Cognition Disorders / Q000145:classification* / Q000175:diagnosis; D003693:Delirium / Q000145:classification* / Q000175:diagnosis; D003702:Delusions / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D012106:Research / Q000592:standards*