Ochoa, Cristobal Barragan, Raul D. Lara Sanchez, Junior J. Araiza Navarro, María I. Tolentino Sosa, Tania P. Alvarez Dominguez, and Roberto Rivera Villanueva. “Perivellosa Disease Massive Fibrin Deposition, Association With Down Syndrome: Case Report and Literature Review”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 1 (December 20, 2016): 280–283. Accessed October 14, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/680.