1. Cardiovascular and neuropsychiatric risks of varenicline: a retrospective cohort study 
Prof Daniel Kotz, PhD, Wolfgang Viechtbauer, PhD, Colin Simpson, PhD, Prof Onno C P van Schayck, PhD, Prof Robert West, PhD, Prof Aziz Sheikh, MD 
The Lancet Respiratory Medicine 
Volume 3, Issue 10, Pages (October 2015)
DOI: /S (15)
Copyright © 2015 Kotz et al. Open Access article published under the terms of CC BY Terms and Conditions

2. Figure
Flow chart
NRT=nicotine replacement treatment. PS=propensity score.
The Lancet Respiratory Medicine 2015 3, DOI: ( /S (15) )
Copyright © 2015 Kotz et al. Open Access article published under the terms of CC BY Terms and Conditions