title: Bicycle helmets and accidental asphyxia in childhood.
authors: Roger W
authors: RW
authors: Byard
authors: Allan
authors: A
authors: Cala
authors: Donald
authors: D
authors: Ritchey
authors: Noel
authors: N
authors: Woodford
mesh_terms: D001237:Asphyxia / Q000209:etiology* / Q000401:mortality; D001315:Australia / Q000453:epidemiology; D001642:Bicycling / Q000293:injuries*; D002675:Child, Preschool; D017809:Fatal Outcome; D006260:Head Protective Devices / Q000009:adverse effects*; D006801:Humans; D008297:Male