References
- Yan CM. A report of four cases of caesarean: scar pregnancy in a period of 12 months. Hong Kong Med J. 2007;13:141–3.
- Holland MG, Bienstock JL. Recurrent ectopic pregnancy in a cesarean scar. Obstet Gynecol. 2008;111(2 Pt 2):541–5.
- Ash A, Smith A, Maxwell D. Caesarean scar pregnancy. BJOG. 2007;114:253–63.
- Chie L, Levine D. Sonography of the lower uterine segment. Ultrasound Clin. 2006;1:303–19.