title: Trauma categorization in Minnesota.
authors.forename: E
authors.initials: E
authors.lastname: Ruiz
mesh_terms: D004632:Emergency Medical Services / Q000639:trends*; D006801:Humans; D008910:Minnesota; D014193:Trauma Centers / Q000639:trends*; D014947:Wounds and Injuries / Q000145:classification* / Q000628:therapy