1. Holbrook BD, Phelan ST. Umbilical cord prolapse. Obstet Gynecol Clin N Am. 2013;40(1):1–14. 10.1016/j.ogc.2012.11.002
2. Koonings PP, Paul RH, Campbell K. Umbilical cord prolapse A contemporary look. The Journal of reproductive medicine. 1990;35(7):690–2. 1:STN:280:DyaK3czjtFahsg%3D%3D, 2376856
3. Gannard-Pechin E, Ramanah R, Cossa S, Mulin B, Maillet R, Riethmuller D. [Umbilical cord prolapse: a case study over 23 years]. J Gynecol Obstet Biol Reprod. 2012;41(6):574–83. 1:STN:280:DC%2BC38fivF2ltw%3D%3D, 10.1016/j.jgyn.2012.06.001
4. Traore Y, Dicko TF, Teguete B, Mulbah JK, Adjobi R, N'Guessan E, et al. Frequency of cord prolapse: etiological factors and fetal prognosis in 47 cases in a health center. Le Mali medical. 2006;2(1):25–2.
5. Dufour P, Vinatier D, Bennani S, Tordjeman N, Fondras C, Monnier JC, et al. Cord prolapse. Review of the literature. A series of 50 cases. J Gynecol Obstet Biol Reprod. 1996;25(8):841–5. 1:STN:280:DyaK2s7mtFKnug%3D%3D