title: Importance of typologies for science and service in mental retardation.
authors.affiliation: UCLA Graduate School of Education 90095-1521, USA. dfidler@ucla.edu
authors.forename: D J
authors.initials: DJ
authors.lastname: Fidler
authors.forename: R M
authors.initials: RM
authors.lastname: Hodapp
mesh_terms: D003695:Delivery of Health Care; D006801:Humans; D008607:Intellectual Disability / Q000145:classification*; D012106:Research / Q000639:trends; D012947:Social Work; D013008:Somatotypes