References
- Ankum W. M., Van der Veen F., Hamerlynck J. V.Th.H., Lammes F. B. Laparoscopy: a dispensable tool in the diagnosis of ectopic pregnancy?. Human Reproduction 1993a; 8: 1301–1306
- Ankum W. M., Van der Veen F., Hamerlynck J. V.Th.H., Lammes F. B. Transvaginal sonography and human chorionic gonadotrophin measurements in suspected ectopic pregnancy: a detailed analysis of a diagnostic approach. Human Reproduction 1993b; 8: 1307–1311
- Bigrigg A., Read M. Management of women referred to an early pregnancy unit–care and cost effectiveness. British Medical Journal 1991; 302: 577–579
- Department of Health and Social Security. Ectopic Pregnancy. Report on confidential enquiries into maternal death in England and Wales 1988–1990. Her Majesty's Stationery Office, London 1994
- Kadar N. Early recourse to laparoscopy in management of suspected ectopic pregnancy. Accuracy and Morbidity. Journal of Reproductive Medicine 1990; 35: 1153–1156
- Kadar N., Caldwell B. V., Romero R. A method of screening for ectopic pregnancy and its indications. Obstetrics and Gynecology 1981; 58: 162–166
- McKee M., Priest P., Ginzler M., Black N. Can out-of-hours operating in gynaecology be reduced?. Archives of Emergency Medicine 1992; 9: 290–298
- Nyberg D. A., Mack L. A., Laing F. C., Jeffrey R. B. Early pregnancy complications: endovaginal sonographic findings correlated with human chorionic gonadotrophin levels. Radiology 1988; 167: 619–622