Harald Martinsen

Psychiatric disorders in adolescents and adults with autism and intellectual disability: A representative study in one county in Norway

Trine Lise Bakken, Sissel Berge Helverschou, Dag Erik Eilertsen et al. · Research in Developmental Disabilities · 2010 · 192 citations

Neurodevelopmental Disorders, Developmental Disability, Representative Study +13

The Psychopathology in Autism Checklist (PAC): A pilot study

Sissel Berge Helverschou, Trine Lise Bakken, Harald Martinsen · Research in autism spectrum disorders · 2008 · 91 citations

Child Psychology, Psychiatry, Clinical Psychology +7

Anxiety in people diagnosed with autism and intellectual disability: Recognition and phenomenology

Sissel Berge Helverschou, Harald Martinsen · Research in autism spectrum disorders · 2010 · 89 citations

Anxiety Disorders, Developmental Disability, Cognitive Science +9

Patterns in sleep–wakefulness in three-month old infants exposed to methadone or buprenorphine

Monica Sarfi, Harald Martinsen, Brittelise Bakstad et al. · Early Human Development · 2009 · 29 citations

Sleep Disorders, Sleep, Substance Abuse +8

Identifying Symptoms of Psychiatric Disorders in People with Autism and Intellectual Disability: An Empirical Conceptual Analysis

Sissel Berge Helverschou, Trine Lise Bakken, Harald Martinsen · 2008 · 28 citations

Neurodevelopmental Disorders, Mental Disorders, Developmental Disability +11