Mental retardation (2) Deficiencia mental (2) Déficience intellectuelle (2) Instruction and study (1) Intercession (1) Development (1) Family relationships (1) Costs (1) Children (1) Vision (1) Trails (1) Service industries (1) Questionnaires (1) Parents (1) Necessity (Philosophy) (1) International division of labor (1) Embargo (1) Domicile (1) Cities and towns (1) Bereavement (1) Autism (1) Art (1) Subsidies (1) Use studies (1) Use studies (1) Disabilities (1) Spectra (1) Social services (1) Practice (1) Health (1)