Research in Autism Spectrum DisordersVolume 7, Issue 12, December 2013, Pages 1528-1534RETRACTED: The relationship of comorbid anxiety symptom severity and challenging behaviors in infants and toddlers with autism spectrum disorderAuthor links open overlay panelPaige Cervantes, Johnny L. Matson, Kim Tureck, Hilary L. AdamsShow moreShareCitehttps://doi.org/10.1016/j.rasd.2013.09.005Previous article in issueNext article in issueCited by (0)View AbstractCopyright © 2013 Elsevier Ltd. All rights reserved.