2000
How unspecified are disorders of children with a pervasive developmental disorder not otherwise specified? A study of social problems in children with PDD-NOS and ADHD
Luteijn E, Serra M, Jackson S, Steenhuis M, Althaus M, Volkmar F, Minderaa R. How unspecified are disorders of children with a pervasive developmental disorder not otherwise specified? A study of social problems in children with PDD-NOS and ADHD. European Child & Adolescent Psychiatry 2000, 9: 168-179. PMID: 11095039, DOI: 10.1007/s007870070040.Peer-Reviewed Original Research
1998
How Commonly Are Known Medical Conditions Associated with Autism?
Barton M, Volkmar F. How Commonly Are Known Medical Conditions Associated with Autism? Journal Of Autism And Developmental Disorders 1998, 28: 273-278. PMID: 9711483, DOI: 10.1023/a:1026052417561.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 Research