http://ntr.oxfordjournals.org/content/early/2010/12/31/ntr.ntq222.full.pdf+html

One-year outcomes and a cost-effectiveness analysis for smokers accessing group-based and pharmacy-led cessation services.

Bauld L. Boyd KA. Briggs AH. Chesterman J. Ferguson J. Judge K. Hiscock R.

Nicotine & Tobacco Research. 13(2):135-45, 2011 Feb.