- Gastrointestinal symptoms in a sample of children with pervasive developmental disordersRoumen N Nikolov
Yale Child Study Center, Yale University, P O Box 207900, New Haven, CT, USA
J Autism Dev Disord 39:405-13. 2009..Compared to children without GI problems, those with GI problems showed greater symptom severity on measures of irritability, anxiety, and social withdrawal. Those with GI problems were also less likely to respond to treatment...