1. Statistics and Management Information Division, Department of Health. Computing Survey 1992. London: DoH, 1992.
2. Planning primary care;Gray, D.P.,1992
3. Validation of information recorded on general practitioner based computerised data resource in the United Kingdom;Jick, H.; Jick, S.; Derby, L.E.;BMJ,1991
4. The new agenda for general practice computing;Pringle, M.;BMJ,1990
5. Research implications of computerised primary care;Mann, R.D.; Hall, G.; Chukwujindu, J.;Post Marketing Surveillance,1992