title: What is the price for personal freedom?
authors.forename: J S
authors.initials: JS
authors.lastname: Smith
mesh_terms: D000063:Accidents, Traffic / Q000191:economics*; D002961:Civil Rights / Q000331:legislation & jurisprudence*; D006260:Head Protective Devices; D006801:Humans; D009049:Motorcycles / Q000331:legislation & jurisprudence*; D010414:Pennsylvania; D011482:Protective Devices