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Fathelrahman, Ahmed I; Li, Lin; Borland, Ron; Yong, Hua-Hie; Omar, Maizurah; Awang, Rahmat; Sirirassamee, Buppha; Fong, Geoffrey T; Hammond, David . (2013). Stronger pack warnings predict quitting more than weaker ones: finding from the ITC Malaysia and Thailand surveys. Tobacco Induced Diseases, 11(1), 20–. doi:10.1186/1617-9625-11-20 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research