Ochoa, C. B., Lara Sanchez, R. D., Araiza Navarro, J. J., Tolentino Sosa, M. I., Alvarez Dominguez, T. P., & Villanueva, R. R. (2016). Perivellosa disease massive fibrin deposition, association with Down syndrome: case report and literature review. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(1), 280–283. https://doi.org/10.18203/2320-1770.ijrcog20164501