title: Frequency of bleeding in football.
authors.forename: H G
authors.initials: HG
authors.lastname: Seward
authors.forename: J W
authors.initials: JW
authors.lastname: Orchard
authors.forename: H
authors.initials: H
authors.lastname: Hazard
authors.forename: D C
authors.initials: DC
authors.lastname: Collinson
mesh_terms: D001265:Athletic Injuries / Q000453:epidemiology; D001315:Australia / Q000453:epidemiology; D005538:Football / Q000293:injuries*; D015658:HIV Infections / Q000635:transmission; D006470:Hemorrhage / Q000453:epidemiology*; D006509:Hepatitis B / Q000635:transmission; D006801:Humans; D009517:New South Wales / Q000453:epidemiology; D012307:Risk Factors