1. Social status, health status, and therapy response in heroin addicts;Abalkhail;East Mediterr. Health J.,2001
2. Using trend theory to explain heroin use trends;Agar;J. Psychoactive Drugs,2001
3. Epidemiologic analysis of alcohol and tobacco use;Anthony;Alcohol Res. Health,2000
4. Al-Saud S, 1998, Substance Abuse in Some Countries of the Gulf Cooperation Council, Riyadh, Saudi Arabia.(in Arabic).
5. Epidemiology of substance use in adolescence: prevalence, trends and policy implications;Bauman;Drug Alcohol Depend.,1999