title: Diagnosis and definition of childhood autism.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001321:Autistic Disorder / Q000175:diagnosis* / Q000523:psychology; D001927:Brain Diseases / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis; D007360:Intelligence; D007804:Language Development; D007806:Language Disorders / Q000175:diagnosis; D009497:Neurotic Disorders / Q000175:diagnosis; D012561:Schizophrenia, Childhood / Q000175:diagnosis; D012917:Social Adjustment; D013239:Stereotyped Behavior