title: Lumpers, splitters, and Asperger syndrome.
authors.forename: Victoria
authors.initials: V
authors.lastname: Shea
mesh_terms: D020817:Asperger Syndrome / Q000175:diagnosis / Q000453:epidemiology*; D003072:Cognition Disorders / Q000175:diagnosis / Q000453:epidemiology*; D039721:Diagnostic and Statistical Manual of Mental Disorders; D006801:Humans; D007806:Language Disorders / Q000175:diagnosis / Q000453:epidemiology*; D010554:Personality Disorders / Q000175:diagnosis / Q000453:epidemiology*; D012720:Severity of Illness Index; D012919:Social Behavior