title: Preschool children who have atypical patterns of development.
authors.affiliation: Child Development Center, Children's Hospital of Wisconsin, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Simms
authors.forename: R L
authors.initials: RL
authors.lastname: Schum
mesh_terms: D001321:Autistic Disorder / Q000175:diagnosis / Q000209:etiology; D002675:Child, Preschool; D002658:Developmental Disabilities / Q000175:diagnosis; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis*; D018887:Landau-Kleffner Syndrome / Q000175:diagnosis; D007805:Language Development Disorders; D008297:Male; D010808:Physical Examination; D010988:Play and Playthings; D012919:Social Behavior