Abstracts by Jan Buitelaar

	Are the three domains of autism spectrum disorders (social interaction, communication, and stereotypies and rigidity) clustering together in the general population at 18 months?
	Diffusion tensor imaging in autism and Asperger Syndrome: evidence for impairment of long range white matter integrity
	Evaluating a two-level screening strategy for the early detecton of Autistic Spectrum Disorders using routine paediatric surveillance
	M-CHAT and ESAT screening questionnaires at 18 months in the general population: issues of overlap and external validity
	Pragmatic inferences in high-functioning adults with autism and Asperger syndrome