title: Of football players and physicians.
authors.affiliation: Northwestern University Medical School, Chicago, Illinois 60611.
authors.forename: J R
authors.initials: JR
authors.lastname: Webster
authors.forename: S B
authors.initials: SB
authors.lastname: Webster
mesh_terms: D003695:Delivery of Health Care; D005538:Football; D006801:Humans; D010820:Physicians; D014481:United States