1. Registrar General of England and Wales. Sixteenth annual report;Farr, W.,1856
2. International statistical classification of diseases and related health problems. 10th Revision. Volume 2;World Health Organisation,1993
3. Diagnostic labels for child health;Crawshaw, P.A.G.; MacFadyen, U.M.; Dodd, K.L.;Current Paediatics,1992
4. Report of a BPA Working Party. Services for children and adolescents with learning disability (mental handicap),1994
5. Don't lose cash by not coding care;Sweet, P.;Healthcare Management,1993