1. Lim SS, Vos T, Flaxman AD, Danaei G, Shibuya K, Adair-Rohani H, et al. A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012;380:2224–60.
2. Munif MA. Report on Tobacco Control Program of Ministry of Health In Saudi Arabia. Ministry of Health, Riyadh. 2009. [http://www.sa-tcp.com/newsite/user/pdf/REPORT_ON_TCP.pdf]
3. WHO Report on the Global Tobacco Epidemic, 2013. Country profile. Saudi Arabia, World Health Organization, Geneva. 2013 [http://www.who.int/tobacco/surveillance/policy/country_profile/sau.pdf]
4. Cost of Living in Saudi Arabia. ExpatArrival, 2014 [http://www.expatarrivals.com/saudi-arabia/cost-of-living-in-saudi-arabia]
5. WHO Framework Convention on Tobacco Control. WHO Document Production Services, Geneva, 2005. [http://whqlibdoc.who.int/publications/2003/9241591013.pdf?ua=1]