Jilian Mince (29 July 2015). "In rise of U.S. vape retailers, house owners eye new marijuana market". Lee, Andrew H. Y.; Stater, Brian J.; Close, Lanny; Rahmati, Rahmatullah (2015). "Are e-cigarettes efficient in smoking cessation?". Nate Raymond (30 January 2018). "Vape retailers sue to dam U.S. r...