title: Life-span intellectual development of people with mental retardation.
authors.affiliation: Greenwood Institute of Child Health, University of Leicester, UK.
authors.forename: T
authors.initials: T
authors.lastname: Trower
authors.forename: A R
authors.initials: AR
authors.lastname: Nicol
mesh_terms: D000328:Adult; D003430:Cross-Sectional Studies; D006803:Human Development; D006801:Humans; D008607:Intellectual Disability / Q000503:physiopathology*; D007360:Intelligence / Q000235:genetics / Q000502:physiology*; D007361:Intelligence Tests; D008137:Longitudinal Studies; D012107:Research Design