The effect of motorcycle helmet usage on head injuries, and the effect of usage laws on helmet wearing rates
By: prepared by U.S. Department of Transportation, National Highway Traffic Safety Administration, Office of State Vehicle Program
Contributors: United States. Office of State Vehicle Programs
Publisher: The Office; National Technical Information Service [distributor
Published: 1981
Place of publication: [Washington, D.C.]; Springfield, Va
Language: eng
Number of pages: 16
Subjects: Motorcycling -- United States; Head -- Wounds and injuries; Helmets -- United States
Notes: Cover title

"March 1981."

"NHTSA technical report."

"DOT-HS-805 851."

Includes bibliographical references