Pernudy, A., D. Gutiérrez, A. Espinoza, R. Berrios, and O. Bonilla. “Determination of Von Willebrand Factor for the Confirmation of Von Willebrand’s Disease in Nicaragua”. Journal of Hematology, vol. 24, no. 1, May 2020, pp. 91-94, https://www.revistahematologia.com.ar/index.php/Revista/article/view/248.