title: The organization and delivery of medical care during the Mass Anti-War Demonstration at the Ellipse in Washington, D.C. on May 9, 1970.
mesh_terms: D000552:Ambulances; D002960:Civil Disorders; D003142:Communication; D004219:District of Columbia; D004632:Emergency Medical Services; D005392:First Aid; D006077:Government Agencies; D006359:Heat Exhaustion / Q000628:therapy; D006801:Humans; D008952:Mobile Health Units; D009934:Organization and Administration; D012011:Red Cross; D013665:Tear Gases; D014838:Volunteers; D000078329:Workforce
chemical_list: D013665:Tear Gases