00560nas a2200193   4500000000100000000000100001008004100002100001400043700001400057700001400071700001400085700001800099700001400117700001400131245018900145300001200334490000600346022001400352       2015                            d1 aN. Davies1 aG. Taylor1 aA. Taylor1 aK. Thomas1 aF. Windmeijer1 aR. Martin1 aM. Munafo00aWhat 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  ae0096650 v5  a2044-6055