C. B. Ochoa, R. D. Lara Sanchez, J. J. Araiza Navarro, M. I. Tolentino Sosa, T. P. Alvarez Dominguez, and R. R. Villanueva, “Perivellosa disease massive fibrin deposition, association with Down syndrome: case report and literature review”, Int J Reprod Contracept Obstet Gynecol, vol. 6, no. 1, pp. 280–283, Dec. 2016.