Meller, César. “Diagnosis of Open Spina Bifida on Ultrasound at 11-13 Weeks: A Review of the Literature”. Revista del Hospital Italiano de Buenos Aires, vol. 37, no. 4, Dec. 2017, pp. 151-2, https://doi.org/10.51987/Rev.Hosp.Ital.B.Aires.v37i4.605.