TY - STAND AU - N. Davies AU - G. Taylor AU - A. Taylor AU - K. Thomas AU - F. Windmeijer AU - R. Martin AU - M. Munafo BT - BMJ Open DO - 10.1136/bmjopen-2015-009665 M1 - 11 PY - 2015 EP - e009665 T2 - BMJ Open TI - 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 VL - 5 SN - 2044-6055 ER -