1. Preeclampsia: a case of nerves?;Brown;Lancet,1997
2. Introduction, history, controversies and definitions;Chesley,1978
3. Toxemias of pregnancy;Kosmak,1931
4. Incidence of eclampsia and other toxemias of pregnancy;Dieckmann,1952
5. Epidemiology of pregnancy toxemias;Davies,1971