@misc{9196,
  author = {N. Davies and G. Taylor and A. Taylor and K. Thomas and F. Windmeijer and R. Martin and M. Munafo},
  title = {What are the effects of varenicline compared with nicotine replacement therapy on long-term smoking cessation and clinically important outcomes? Protocol for a prospective cohort study},
  year = {2015},
  journal = {BMJ Open},
  volume = {5},
  number = {11},
  pages = {e009665},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2015-009665},
}