41
Participants
Start Date
July 31, 2016
Primary Completion Date
May 16, 2017
Study Completion Date
May 16, 2017
ECIG liquid vehicles
The ratio of propylene glycol and vegetable glycerin will be changed while all other factors of the electronic cigarette provided to participants will be held constant.
Clinical Behavioral Pharmacology Laboratory, Richmond
National Institute on Drug Abuse (NIDA)
NIH
Virginia Commonwealth University
OTHER