title: Misdiagnosed ADD/ADHD; rediagnosed PDD.
authors.affiliation: New York University School of Medicine, USA.
authors.forename: R
authors.initials: R
authors.lastname: Perry
mesh_terms: D000293:Adolescent; D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis*; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000175:diagnosis*; D002665:Child Psychiatry / Q000379:methods*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D008297:Male