1. Birth counts;Macfarlane, A.; Mugford, M.,1984
2. Secretaries of State for Health, Wales, Northern Ireland, and Scotland. Medical audit. Working paper 6. London: HMSO, 1989.
3. Guidelines for medical audit: seven principles;Shaw, C.D.; Costain, D.W.;BMJ,1989
4. Medical audit data: counting is not enough;Lyons, C.; Gumpert, R.;BMJ,1990
5. Steering Group on Health Services Information. Supplement to the first and fourth reports to the secretary ofstate,1985