1. Child health computing;Ross, E.; Begg, N.;BMJ,1991
2. Low immunisation rates: fact or fiction?;Scott, E.A.;Public Health,1990
3. Immunisation and general practice;Colver, A.F.;Lancet,1989
4. The use of microcomputers for child health services;Dodge, J.S.,1985
5. Framevork for informnation systems: information. Annex 13: district infornation requirements;Department of Health Information Management Group,1990