http://www.ncbi.nlm.nih.gov/pubmed/20050814
 
Cost effectiveness of varenicline versus bupropion and unaided cessation for smoking cessation in a cohort of Finnish adult smokers.
 
Linden K, Jormanainen V, Linna M, Sintonen H, Wilson K, Kotomäki T.
 
Curr Med Res Opin. 2010 Mar;26(3):549-60.