Dual diagnosis of substance misuse and psychiatric disorders: a U.S.–U.K. perspective

Correspondence: Mohammed T. Abou-Saleh, MPhil, PhD, FRCPsych, Reader & Honorary Consultant in Addiction Psychiatry, St George’s Hospital Medical School, University of London, Clinical Director – Addiction Services, Director of Research and Development, South-west London and St George’s NHS Trust, Cranmer Terrace, London, SW17 0RE, UK. Tel: þ44 (0)20 87250368; Fax: þ44 (0)20 87252914; E-mail: mabousal@sghms.ac.uk