• Babor, T. F., Kerstin, S. & Savva, S. (2004) Publishing Addiction Science: a Guide for the Perplexed. London & Geneva: ISAJE & WHO.
  • Lambo, T. A. (1965) Medical and social problems of drug addiction in West Africa. West African Medical Journal, 14, 236254.
  • SADC Epidemiology Network on Drug Use (SENDU) (2004) SENDU Update, vol. 8. Cape Town, South Africa: Medical Research Council.
  • Soueif, M. I. (1967) Hashish consumption in Egypt, with special reference to psychosocial aspects. Bulletin on Narcotics, 19, 112.
  • World Health Organization (WHO) (2004) Global Status Report on Alcohol 2004. Geneva: WHO.
  • World Health Organization (WHO) (2003) Galvanising mental health research in low and middle-income countries: role of scientific journals. A joint statement issued by editors of Scientific Journals Publishing Mental Health Research and the Department of Mental Health and Substance Abuse. Geneva: WHO.