Mental retardation: overview and diagnosis.
Walker
William Otis
WO
Neurodevelopmental/Birth Defects Clinics, Children's Hospital and Regional Medical Center, The University of Washington, Seattle, Wash, USA.
Johnson
Chris Plauché
CP
D002648:Child; D002657:Child Development; D006305:Health Status Indicators; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D007360:Intelligence; D007361:Intelligence Tests