title: Correction: Standard EC.4.20, element of performance 4.
mesh_terms: D000068:Accreditation / Q000592:standards*; D002391:Catchment Area, Health; D004189:Disaster Planning / Q000592:standards*; D004636:Emergency Service, Hospital / Q000592:standards*; D006297:Health Services Accessibility / Q000592:standards; D006801:Humans; D008370:Manuals as Topic; D012112:Residential Facilities / Q000592:standards*; D014481:United States