American College of Obstetricians and Gynaecology (1999) Clinical Management Guidelines for Obstetricians-Gynaecologist. Induction of Labour. ACOG Practice Bulletin No. 19, The College, Washington DC.
 Ekele, B.A., Nnadi, D.C., Gana, M.A., Shehu, C.E., Ahmed, Y. and Nwobodo, E.I. (2007) Misoprostol Use for Cervical Ripening and Induction of Labour in a Nigerian Teaching Hospital. Nigerian Journal of Clinical Practice, 10, 234-273.
 Bako, B.G., Obed, J.Y. and Sanusi, I. (2008) Methods of Induction of Labour at University of Maiduguri Teaching Hospital, Maiduguri: A 4 Years Review. Nigerian Journal of Medicine, 17, 139-142.
 Austin, S.C., Sunchez-Ramos, L. and Adair, C.D. (2010) Labour Induction with Misoprostol Compared with Dinoprostone Vaginal Insert: A Systematic Review and Meta-Analysis. American Journal of Obstetrics Gynecology, 202, 624el-624e9.
 Abdul, M.A., Ibrahim, U.N., Yusuf, M.D. and Musa, A. (2007) Efficacy and Safety of Misoprostol in Induction of Labour in a Nigerian Tertiary Hospital. West African Journal of Medicine, 26, 213-216.
 Blanchard, K. and Clark, S.C. (2002) Misoprostol for Women’s Health: A Review. Obstetrics Gynecology, 99, 316-332.
 Owolabi, A.T., Kuti, O. and Ogunlola, I.O. (2005) Randomised Trial of Intravaginal Misoprostol and Intracervical Foley Catheter for Cervical Ripening and Induction of Labour. Journal of Obstetrics and Gynaecology, 25, 565-568.
 Adeniji, O.A., Oladokun, A., Olayemi, O., Adeniji, O.I., Odukogbe, A.A., Ogunbode, O., Aimakhu, C.O., Omigbodun, A.O. and Ilesanmi, A.O. (2008) Pre-Induction Cervical Ripening: Transcervical Foley’s Catheter versus Intravaginal Misoprostol. Journal of Obstetrics and Gynaecology, 25, 134-139.