Motorcycle helmet laws--legislative frivolity or common sense.
Schuchmann
J A
JA
D003365:Costs and Cost Analysis; D006259:Craniocerebral Trauma / Q000517:prevention & control; D006260:Head Protective Devices; D006801:Humans; D007878:Legislation as Topic; D009049:Motorcycles; D011482:Protective Devices; D013781:Texas