1992
Childhood disintegrative disorder: Issues for DSM-IV
Volkmar F. Childhood disintegrative disorder: Issues for DSM-IV. Journal Of Autism And Developmental Disorders 1992, 22: 625-642. PMID: 1483980, DOI: 10.1007/bf01046331.Peer-Reviewed Original Research
1991
Comorbid association of autism and schizophrenia
Volkmar F, Cohen D. Comorbid association of autism and schizophrenia. American Journal Of Psychiatry 1991, 148: 1705-1707. PMID: 1957933, DOI: 10.1176/ajp.148.12.1705.Peer-Reviewed Original ResearchConceptsFrequency of schizophrenia