1. Kumar PN. Ectopic Pregnancy. Jeferat’s Principles of Gynecology. 2008: 142 – 59.
2. Thonneau PY, Goyene N, Clavex T, Keita N. Ectopic Pregnancy in Conakary, Guinea. Bull World Health Organ.2002; 80: 365-370.
3. Royal College of London. Obstetricians and Gynaecologists. Guideline No. 21 on the management of tubal pregnancies. London RCOG.1999.
4. Chattersec S, Dey S, Chowdhury RG. Ectopic Pregnancy in previously infertile women – subsequent pregnancy outcome after laparoscopic management. Al A Means Med. Sci. 2009; 2(1): 67-72.
5. Udigwe GO, Umeonuihu OS, MbachuII. Ectopic pregnancy; a 5 year review of cases at Nnamdi Azikwe University Teaching Hospital (NAUTH) Nnewi. Niger Meds. 2010; 51: 160-163.