title: Commentary: Old Perceptions Were Too Limited.
authors.affiliation: Peter J. Smith, Associate Professor, Pediatrics, University of Chicago, Section of Developmental and Behavioral Pediatrics, Chicago, IL.
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Smith
mesh_terms: D002658:Developmental Disabilities / Q000175:diagnosis* / Q000523:psychology / Q000628:therapy; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis* / Q000523:psychology / Q000628:therapy; D010465:Perception; D010819:Physician's Role / Q000523:psychology