American Psychiatric Association (1994) Diagnostic and Statistical Manual of Mental Disorders (4th edn) . Washington, DC: APA.
Barkley, R. A. (1990) Attention Deficit Hyperactivity Disorder: A Handbook for Diagnosis and Treatment. New York: Guilford Press.
Barkley, R. A., Edwin, H., Dulcan, M., et al (2002) Consensus statement on ADHD. European Child and Adolescent Psychiatry, 11, 96–98.
Dekker, M. C. & Koot, H. M. (2003) DSM–IV disorders in children with borderline to moderate disability. 1. Prevalence and impact. Journal of the American Academy of Child and Adolescent Psychiatry, 42, 915–922.
Findling, R., Schwartz, M., Flannery, D., et al (1996) Venlafaxine in adults with attention-deficit/ hyperactivity disorder: an open clinical trial. Journal of Clinical Psychiatry, 57, 184–189.
Fitzgerald, M. (2001) Psychopharmacological treatment of adolescent and adult attention deficit hyperactivity disorder. Irish Journal of Psychological Medicine, 18, 93–98.
Fox, R. A. & Wade, E. J. (1998) Attention deficit hyperactivity disorder among adults with severe and profound mental retardation. Research in Developmental Disabilities, 19, 275–280.
Handen, B. L., McAuliffe, S., Janosky, J., et al (1994) Classroom behaviour and children with mental retardation: comparison of children with and without. Journal of Abnormal Child Psychology, 22, 267–280.
Handen, B. L., Feldman, H. M., Lurier, A., et al (1999) Efficacy of methylphenidate among preschool children with developmental disabilities and ADHD. Journal of the American Academy of Child and Adolescent Psychiatry, 38, 805–812.
Irish Medical Services (2003) Irish Medical Directory. Dublin: Irish Medical Services.
Jopp, D. & Keys, C. (2001) Diagnostic overshadowing reviewed and reconsidered. American Journal on Mental Retardation, 106, 416–433.
Mason, J. & Scior, K. (2004) ‘Diagnostic overshadowing’ amongst clinicians working with people with intellectual disabilities in the UK. Journal of Applied Research in Intellectual Disabilities, 17, 85–90.
Murphy, K. & Barkley, R. (1996) Attention deficit hyperactivity disorder adults; comorbidities and adaptive impairments. Comprehensive Psychiatry, 37, 393–401.
Pearson, D., Santos, C., Roache, J., et al (2003) Treatment effects of methylphenidate on behavioural adjustment in children with mental retardation and A.D.H.D. Journal of the American Academy of Child and Adolescent Psychiatry, 42, 209–216.
Reiss, S. & Szyszko, J. (1983) Diagnostic overshadowing and professional experience with mentally retarded persons. American Journal of Mental Deficiency, 87, 396–402.
Rowland, A. S., Abramowitz, A. J. & Lesesne, C. A. (2002) The epidemiology of attention-deficit/ hyperactivity disorder (ADHD): a public health review. Mental Retardation and Developmental Disability Research Reviews, 8, 162–170.
Royal College of Psychiatrists (1998) Psychiatric Services for Children and Adolescents with a Learning Disability
. London: Royal College of Psychiatrists.
Royal College of Psychiatrists (2004) Psychiatric Services for Children and Adolescents with Learning Disabilities
. London: Royal College of Psychiatrists.
Schaffer, D. (1994) Attention deficit hyperactivity disorder in adults. American Journal of Psychiatry, 151, 633–638.
Seager, M. C. & O'Brien, G. (2003) Attention deficit hyperactivity disorder: review of ADHD in learning disability: the Diagnostic Criteria for Psychiatric Disorders for Use with Adults with Learning Disabilities/Mental Retardation (DC–LD) criteria for diagnosis. Journal of Intellectual Disability Research, 47, 26–31.
Toone, B., Clarke, M. & Young, S. (1999) Attention-deficit hyperactivity disorder in adults. Advances in Psychiatric Treatment, 5, 112–119.
Wender, P. (1995) Attention Deficit Hyperactivity Disorder in Adults. New York: Oxford University Press.
White, M., Nichols, C., Cook, R., et al (1995) Diagnostic overshadowing and mental retardation: a meta-analysis. American Journal of Mental Retardation, 100, 293–298.
Wilens, T., Biederman, J., Spencer, T., et al (1996) Six-week, double-blind placebo-controlled study of desipramine for adult attention deficit hyperactivity disorder. American Journal of Psychiatry, 153, 1147–1153.
Willoughby, M. (2003) Developmental course of ADHD symptomatology during the transition from childhood to adolescence: a review with recommendations. Journal of Child Psychology and Psychiatry, 44, 88–106.
Zwi, M., Ramchandani, P. & Joughin, C. (2000) Evidence and belief in ADHD. BMJ, 321, 975–976.