title: [Usefulness of a diagnostic study of mental retardation].
authors.forename: C
authors.initials: C
authors.lastname: Garaizar
authors.forename: M J
authors.initials: MJ
authors.lastname: Martínez-González
authors.forename: J M
authors.initials: JM
authors.lastname: Prats
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000175:diagnosis* / Q000209:etiology*