Автор более 300 научных работ и книг по вопросам, касающимся наркотических средств и физической зависимости, включая The Misuse of Psychotropic Drugs, Gaskell Publishing (1982); The Criminal Justice System and the Treatment of Drug Misuse: Global Drugs Law, Har-Anand publishing (1997); Young People and Substance Misuse, Gaskell Publishing (2004); Addiction at Work: Tackling Drug Use and Misuse in the Workplace, Gower Publishing, (2005); Substance Misuse Detainees in Police Custody: Guidelines for Clinical Management, 3rd edition, Gaskell Publishing (2006); Guiding Principles of Drug Demand Reduction: An International Response, Current Opinion in Psychiatry (2000); Review of deaths related to taking Ecstasy, England and Wales, 1997 - 2000, British Medical Journal (2003); Pain, Anxiety and Insomnia: A Global Perspective on the Relief of Suffering, The British Journal of Psychiatry (2003); Internet Pharmacy and Psychotropic Drugs, International Psychiatry (2006).
发表300多篇科学论文和关于药物问题和药瘾的著作，包括 ：The Misuse of Psychotropic Drugs，Gaskell Publishing (1982)；The Criminal Justice System and the Treatment of Drug Misuse: Global Drugs Law, Har-Anand publishing (1997); Young People and Substance Misuse, Gaskell Publishing (2004); Addiction at Work: Tackling Drug Use and Misuse in the Workplace, Gower Publishing,(2005); Substance Misuse Detainees in Police Custody: Guidelines for Clinical Management, 3rd edition, Gaskell Publishing (2006); Guiding Principles of Drug Demand Reduction: An International Response, Current Opinion in Psychiatry (2000); Review of deaths related to taking Ecstasy, England and Wales, 1997-2000, British Medical Journal (2003); Pain、Anxiety and Insomnia: A Global Perspective on the Relief of Suffering, The British Journal of Psychiatry (2003); Internet Pharmacy and Psychotropic Drugs, International Psychiatry (2006).