Grant, A., Morrison, R., & Dockrell, M. J. (2014). Prevalence of Waterpipe (Shisha, Narghille, Hookah) Use Among Adults in Great Britain and Factors Associated With Waterpipe Use: Data From Cross-sectional Online Surveys in 2012 and 2013. Nicotine & Tobacco Research, 16(7), pp. 931-938. doi:10.1093/ntr/ntu015

Grant, Aimee, Rory Morrison, and Martin J. Dockrell. "Prevalence of Waterpipe (Shisha, Narghille, Hookah) Use Among Adults in Great Britain and Factors Associated With Waterpipe Use: Data From Cross-sectional Online Surveys in 2012 and 2013." Nicotine & Tobacco Research 16, no. 7 (2014): 931-938.

Grant, Aimee, Rory Morrison, and Martin J. Dockrell. "Prevalence of Waterpipe (Shisha, Narghille, Hookah) Use Among Adults in Great Britain and Factors Associated With Waterpipe Use: Data From Cross-sectional Online Surveys in 2012 and 2013." Nicotine & Tobacco Research 16.7 (2014): 931-938.