Comorbidity in autism spectrum disorders – I. Mental retardation and psychiatric comorbidityObjective: Recent epidemiological surveys show a higher prevalence of autism spectrum disorders than was to be expected based on the first studies in this field. ...
Comorbidity in autism spectrum disorders – II. Genetic syndromes and neurological problemsObjective: Children with a pervasive developmental disorder show in addition to core symptoms a variety of genetic syndromes as well as neurological problems, which ...