title: [A protective collar is mandatory for all ice hockey players].
authors.forename: R
authors.initials: R
authors.lastname: Lorentzon
authors.forename: L
authors.initials: L
authors.lastname: Hovelius
mesh_terms: D001265:Athletic Injuries / Q000517:prevention & control; D006688:Hockey / Q000293:injuries*; D006801:Humans; D008297:Male; D009333:Neck; D011482:Protective Devices; D013548:Sweden