00573nas a2200217   4500000000100000000000100001008004100002100001400043700001400057700001400071700001300085700001300098700001400111700001400125700001800139700001400157245015400171300000900325490000700334022001400341       2020                            d1 aN. Davies1 aA. Taylor1 aG. Taylor1 aT. Itani1 aT. Jones1 aR. Martin1 aM. Munafo1 aF. Windmeijer1 aK. Thomas00aVarenicline versus nicotine replacement therapy for long-term smoking cessation: an observational study using the Clinical Practice Research Datalink  a1-460 v24  a1366-5278