1. Amniotic fluid embolism in Sweden, 1951–1980;Högberg;Gynecol Obstet Invest,1985
2. Maternal mortality in the United States, 1979–1986;Atrash;Obstet Gynecol,1990
3. Under-reporting of maternal mortality in Canada: a question of definition;Turner;Chronic Dis Can,2002
4. The amniotic fluid embolism syndrome: 10 years' experience at a major teaching hospital;Burrows;Aust N Z J Obstet Gynaecol,1995
5. Cause-specific mortality during and after pregnancy and the definition of maternal death;Turner;Chronic Dis Can,2002