1. Epidemiological problem of addiction in Iran;Zarabi,1974
2. Epidemiology of addiction in Iran;Chehrazi,1976
3. Sampling Technique;Cochran,1967
4. Some characteristics of Iranian addicts treated in an in-patient setting;Razani,1976
5. Economics of adverse reactions to drugs;Mach;W. H. O. Chronicle 29/3-97,1975