Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean (standard error mean) fixation time to cigarette, neutral-cigarette, cocaine, and neutral-cocaine cues for cocaine-using (left panel) and non-cocaine-using (right panel) cigarette smokers. An asterisk indicates a significant difference between fixation time to cocaine and neutral cues for the cocaine-using cigarette smokers.
