title: Exemptions from wearing motorcycle helmets.
authors.forename: G A
authors.initials: GA
authors.lastname: Brazenor
authors.forename: N G
authors.initials: NG
authors.lastname: Dan
authors.forename: D A
authors.initials: DA
authors.lastname: Simpson
mesh_terms: D001315:Australia; D006260:Head Protective Devices; D006801:Humans; D007878:Legislation as Topic; D009049:Motorcycles / Q000331:legislation & jurisprudence*