AHA report outlines challenges facing nation's urban hospitals.
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D000163:Acquired Immunodeficiency Syndrome; D000573:American Hospital Association; D005069:Evaluation Studies as Topic; D006786:Hospitals, Urban / Q000191:economics* / Q000706:statistics & numerical data; D011203:Poverty; D012940:Social Problems; D019966:Substance-Related Disorders; D014481:United States