1. The transformation of maternal mortality;Loudon, I.;BMJ,1992
2. In: Departnent of Health. Report on confidential enquiries into maternal deaths in England and Wales 1982-84;Overview, Turmbull A.,1989
3. Vital statistics ofbirth;Chamberlain, G.;BMJ,1991
4. Report on confidential enquiries into maternal deaths in the United Kingdom 1985-87;Department of Health; Welsh Office; Scottish Home and Health Department; Department of Health and Social Services, Northern Ireland,1991
5. Inquiry into stillbirths and neonatal deaths;Chalmers, I.;BMJ,1989