title: Trends in emergency department visits among Medicaid patients.
authors.forename: Nancy
authors.initials: N
authors.lastname: Sonnenfeld
authors.forename: Sandra L
authors.initials: SL
authors.lastname: Decker
authors.forename: Susan M
authors.initials: SM
authors.lastname: Schappert
mesh_terms: D059019:Clinical Coding / Q000592:standards; D004636:Emergency Service, Hospital / Q000191:economics* / Q000706:statistics & numerical data*; D019538:Health Care Surveys; D006801:Humans; D019458:Insurance Coverage / Q000706:statistics & numerical data; D008484:Medicaid / Q000191:economics / Q000706:statistics & numerical data*; D006278:Medicare / Q000706:statistics & numerical data; D015203:Reproducibility of Results; D014481:United States