@book{190308,
	author = {Walker, N. and ET AL.},
	title = {The combined effect of very low nicotine content cigarettes, used as an adjunct to usual Quitline care (nicotine replacement therapy and behavioural support), on smoking cessation: a randomized controlled trial},
	url = {10.1111/j.1360-0443.2012.03906.x}
}