Wall Street Journal
http://online.wsj.com/home-page
Accessed 1 December 2012

ESSAY
November 23, 2012, 5:59 p.m. ET
A Vaccine to Curb Addicts’ Highs
New research shows that our immune system can mute the effects of cocaine and other stimulant drugs
By KEITH HUMPHREYS
http://online.wsj.com/article/SB10001424127887324352004578130963934871462.html?KEYWORDS=vaccine