Early negative affect predicts anxiety, not autism, in preschool boys with fragile X syndrome

Journal of Abnormal Child Psychology (2013) - Comment
pubmed: 23011214 doi: 10.1007/s10802-012-9671-2 issn: 1573-2835 issn: 0091-0627

Bridgette L. Tonnsen, Patrick S. Malone, Deborah D. Hatton, Jane E. Roberts