1.  Paschopoulos, M. (2006). Embryofetoscopy: a new “old” tool. Gynecological surgery, 3(2), 79-.

2.  Reece, EA. (1999). First trimester prenatal diagnosis: embryoscopy and fetoscopy. Seminars in perinatology, 23(5), 424-33.

3.  De Keersmaecker, B. (2001). Fetoscopy and fetal endoscopic surgery: review of the literature. Fetal and maternal medicine review, 12(3), 177-.

4.  Ville, Y, Khalil, A, Homphray, T, et al. (1997). Diagnostic embryoscopy and fetoscopy in the first trimester of pregnancy. Prenatal diagnosis, 17(13), 1237-46.

5.  Hobbins, JC. (1996). The future of first-trimester embryoscopy. Ultrasound in obstetrics & gynecology, 8(1), 3-4.

6.  Ginsberg, NA, Zbaraz, D, & Strom, C. (1994). Transabdominal embryoscopy for the detection of Carpenter syndrome during the first trimester. Journal of Assisted Reproduction and Genetics, 11(7), 373-5.

7.  Crombleholme, TM, & Johnson, MP. (2003). Fetoscopic surgery. Clinical obstetrics and gynecology, 46(1), 76-91.

8.  Reece EA, Rotmensch S, Whetham J (1993) Gaining access to the embryonic-fetal circulation via first trimester endoscopy: a step into the future. Obstet Gynecol 82:876–879