David, S. P., Johnstone, E. C., Churchman, M., Aveyard, P., Murphy, M. F., & Munafò, M. R. (2011). Pharmacogenetics of Smoking Cessation in General Practice: Results From the Patch II and Patch in Practice Trials. Oxford University Press.

David, Sean P., Elaine C. Johnstone, Michael Churchman, Paul Aveyard, Michael F.G Murphy, ja Marcus R. Munafò. Pharmacogenetics of Smoking Cessation in General Practice: Results From the Patch II and Patch in Practice Trials. Oxford University Press, 2011.

David, Sean P., et al. Pharmacogenetics of Smoking Cessation in General Practice: Results From the Patch II and Patch in Practice Trials. Oxford University Press, 2011.