Safety net sagging under multiple stresses.
D006297:Health Services Accessibility / Q000639:trends*; D006301:Health Services Needs and Demand / Q000639:trends*; D006801:Humans; D017057:Medically Uninsured; D011320:Primary Health Care / Q000706:statistics & numerical data; D012017:Referral and Consultation; D012959:Socioeconomic Factors; D017664:Uncompensated Care; D014481:United States