Delcourt, Stella, et al. “Umbilical Cord Stem Cells and Their Potential Usefulness in Regenerative Medicine for the Nervous System”. Revista del Hospital Italiano de Buenos Aires, vol. 25, no. 2, Dec. 2005, pp. 80-82, https://doi.org/10.51987/Rev.Hosp.Ital.B.Aires.v25i2.1189.