Wiebe, D J <br/><br/>
Bias when using dead controls to study handgun purchase as a risk factor for violent death.  [electronic resource] 

 -  Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention  Dec 2003 
 - 381-2 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>1353-8047 
<br/><br/><label>Standard No.: </label>10.1136/ip.9.4.381  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bias<br/>Commerce--statistics & numerical data<br/>Firearms--statistics & numerical data<br/>Humans<br/>Risk Factors<br/>Violence--statistics & numerical data<br/>Wounds, Gunshot--mortality