PT  - JOURNAL ARTICLE
AU  - D J Wiebe
AU  - C C Branas
TI  - Bias when using dead controls to study handgun purchase as a risk factor for violent death
AID  - 10.1136/ip.9.4.381
DP  - 2003 Dec 01
TA  - Injury Prevention
PG  - 381--382
VI  - 9
IP  - 4
4099  - http://injuryprevention.bmj.com/content/9/4/381.short
4100  - http://injuryprevention.bmj.com/content/9/4/381.full
SO  - Inj Prev2003 Dec 01; 9