1. Abortion, maternity and other health problems in Nigeria;Akingba;Nig Med J,1977
2. A review of 100 cases of ruptured ectopic pregnancy in Lagos Nigeria;Akingba;Nig Med J,1975
3. Ectopic pregnancy: an analysis of 153 patients;Hlavin;Int J Gynecol Obstet,1979
4. Progress in Obstetrics and Gynaecology;Kadar,1983