by Gillberg, C L
Published in Journal of child psychology and psychiatry (01.07.1992)

by Steffenburg, Suzanne, Gillberg, Christopher L., Steffenburg, Ulf, Kyllerman, Mårten
Published in Pediatric neurology (01.02.1996)

by Gillberg, Christopher L.
Published in International Handbook of Autism and Pervasive Developmental Disorders