1. Helverschou SB, Bakken TL, Martinsen H. (2008). Identifying symptoms of psychiatric disorders in people with autism and intellectual disability: an empirical conceptual analysis. Mental Health Aspects of Developmental Disabilities 11:105-15 (36 ref).
2. Bakken TL, Friis S, Lovoll S, Smeby NA, et al. (2007). Behavioral disorganization as an indicator of psychosis in adults with intellectual disability and autism. Mental Health Aspects of Developmental Disabilities 10:37-46 (41 ref).
3. Nachshen JS, Garcin N, Minnes P. (2005). Problem behavior in children with intellectual disabilities: Parenting stress, empowerment and school services. Mental Health Aspects of Developmental Disabilities 8(4):105-114.
4. Patja K. (2004). Suicide cases in a population-based cohort of persons with intellectual disability in a 35-year follow-up. Mental Health Aspects of Developmental Disabilities 7(4):117-23.
5. Chan J, Hudson C, Sigafoods J. (2003). A preliminary study of offenders with intellectual disability and psychiatric disorder. Mental Health Aspects of Developmental Disabilities 6(4):147-152.