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Autism Research and Treatment
Volume 2011 (2011), Article ID 325495, 8 pages
http://dx.doi.org/10.1155/2011/325495
Research Article

Possible Evidence for a Fall in the Prevalence of High-Functioning Pervasive Developmental Disorder with Age?

1University of Huddersfield, Huddersfield HD1 3DH, UK
2School of Health and Related Research, The University of Sheffield, Sheffield SL 4DA, UK
3Developmental Psychiatry Section, University of Cambridge, CB2 8AH, UK
4School of Health and Related Research, The University of Sheffield, Scheffield SL 4DA, UK

Received 15 November 2010; Revised 21 March 2011; Accepted 22 March 2011

Academic Editor: Mohammad Ghaziuddin

Copyright © 2011 M. Balfe et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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