Barbieri, C., Cecatti, J. G., Surita, F. G., Costa, M. L., Marussi, E. F., & Costa, J. V. (2011). Area of Wharton's jelly as an estimate of the thickness of the umbilical cord and its relationship with estimated fetal weight. BioMed Central.

Barbieri, Cristiane, Jose G. Cecatti, Fernanda G. Surita, Maria L. Costa, Emilio F. Marussi, e Jose V. Costa. Area of Wharton's Jelly As an Estimate of the Thickness of the Umbilical Cord and Its Relationship With Estimated Fetal Weight. BioMed Central, 2011.

Barbieri, Cristiane, et al. Area of Wharton's Jelly As an Estimate of the Thickness of the Umbilical Cord and Its Relationship With Estimated Fetal Weight. BioMed Central, 2011.