Ayesha Mukhtar, Farzana Kazmi, Farah Rehana. “Comparison of Vaginal Isosorbide Mononitrate With Prostaglandin E2 for Pre-Induction Cervical Ripening at Term”. Journal of Rawalpindi Medical College, vol. 17, no. 1, June 2013, http://journalrmc.com/index.php/JRMC/article/view/527.