1. World Health Organization: WHO REPORT on the Global Tobacco Epidemic. 2008, The MPOWER package [ http://www.who.int/tobacco/mpower/mpower_report_full_2008.pdf ], . The MPOWER package
2. Stead LF, Perera R, Bullen C, Mant D, Lancaster T: Nicotine replacement therapy for smoking cessation. Cochrane Database Syst Rev. 2008, 1: CD000146
3. Hughes JR, Stead LF, Lancaster T: Antidepressants for smoking cessation. Cochrane Database Syst Rev. 2007, 1: CD000031
4. Cahill K, Stead LF, Lancaster T: Nicotine receptor partial agonists for smoking cessation. Cochrane Database Syst Rev. 2012, 4: CD006103
5. Tran K, Asakawa K, Cimon K, Moulton K, Kaunelis D, Pipe A, Selby P: Pharmacologic-based strategies for Smoking Cessation: Clinical and Cost-effectiveness Analyses. [ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3442619/ ]