title: Collegiate Rugby Has Lower Injury Incidence Than American Football: Letter to the Editor.
authors.forename: Hamish
authors.initials: H
authors.lastname: Kerr
mesh_terms: D001265:Athletic Injuries; D001924:Brain Concussion; D005538:Football; D006801:Humans; D015994:Incidence; D014481:United States; D014495:Universities