Johnson, R M <br/><br/>
Craniofacial trauma in injured motorcyclists: the impact of helmet usage.  [electronic resource] 

 -  The Journal of trauma  Jun 1995 
 - 876-8 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0022-5282 
<br/><br/><label>Standard No.: </label>10.1097/00005373-199506000-00008  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Age Factors<br/>Aged<br/>Alcoholic Intoxication--blood<br/>Craniocerebral Trauma--epidemiology<br/>Ethanol--blood<br/>Female<br/>Fractures, Bone--epidemiology<br/>Head Protective Devices<br/>Humans<br/>Incidence<br/>Male<br/>Maxillofacial Injuries--classification<br/>Middle Aged<br/>Motorcycles<br/>Ohio--epidemiology<br/>Retrospective Studies<br/>Sex Factors<br/>Spinal Fractures--epidemiology