1. Peto R, Lopez AD. In: Koop CE, Pearson CE, MR (eds) Critical issues in global health; 2001. Jossey-Bass, San Francisco, CA.
2. WHO. World No-Tobacco Day. Director-General of the World Health Organization for World No-Tobacco Day, 1999, ( http://www.forcesnl.org/WHO/ADVISORY98.PDF , last accessed 1 February 2010).
3. Jha P, Chaloupka FJ (eds) Tobacco Control in Developing Countries. Oxford United Press for the World Bank and WHO, 2000, Oxford.
4. Ward KD, Hammal F, VanderWeg MW, et al. Are waterpipe users interested in quitting? Nicotine Tob Res. 2005;7(1):149–56.
5. Wolfram RM, Chehne F, Oguogho A, et al. Narghile (waterpipe) smoking influences platelet function and (iso-)eicosanoids. Life Sci. 2003;74:47–53.