1. Empirically derived subtypes of pervasive developmental disorders: A cluster analytic study

   • Jay A. Sevin
   • Johnny L. Matson
   • Debra A. Benavidez

   OriginalPaper Pages: 561 - 578

2. Social initiations by autistic children to adults and other children

   • Margaret Hauck
   • Deborah Fein
   • Carl Feinstein

   OriginalPaper Pages: 579 - 595

3. Failure to confirm the word-retrieval problem hypothesis in facilitated communication

   • Carol A. Vázquez

   OriginalPaper Pages: 597 - 610

4. The effect of clozapine on self-injurious behavior

   • Ron G. Hammock
   • Stephen R. Schroeder
   • William R. Levine

   OriginalPaper Pages: 611 - 626

5. Adolescent schizophrenia: A methodologic review of the current neuroimaging and neuropsychologic literature

   • Robert L. Findling
   • Lee Friedman
   • S. Charles Schulz

   OriginalPaper Pages: 627 - 639

6. Brief report: Circadian melatonin, thyroid-stimulating hormone, prolactin, and cortisol levels in serum of young adults with autism

   • Isaac Nir
   • Daniel Meir
   • Yaacov Lerner

   Brief Reports Pages: 641 - 654

7. Brief Report: The association between autism and fragile X syndrome: A case report

   • Carlo Lenti
   • Cinzia Peruzzi
   • Elena Bianchini

   Brief Reports Pages: 655 - 662

8. The use of buspirone with aggressive behavior

   • Marc Hillbrand
   • Keith Scott

   Letter to the Editor Pages: 663 - 664