title: Reassembling our view of vulnerable populations.
authors.forename: Gregory D
authors.initials: GD
authors.lastname: Stevens
mesh_terms: D000368:Aged; D002908:Chronic Disease; D015897:Comorbidity; D016330:Frail Elderly; D006302:Health Services Research; D006801:Humans; D017057:Medically Uninsured; D028642:Persons with Psychiatric Disorders; D011203:Poverty; D012307:Risk Factors; D014481:United States; D035862:Vulnerable Populations / Q000145:classification* / Q000706:statistics & numerical data