Jahani Shoorab, N., Mirzakhani, K., Ebrahimi, S., Mazlom, S. R., & Amiri Jami, K. "Comparison the Effect of Drug and Non-Drug Treatment Methods on Duration of Cervical Edema during Labor", The Iranian Journal of Obstetrics, Gynecology and Infertility, 16, 57, 2013, 17-24. doi: 10.22038/ijogi.2013.1419