Márquez-Benítez, Yusselfy, Adriana María Lancheros-Silva, and Estéfani Díaz-Chaves. 2019. “Blood Groups and Their Relationship With Plasma Levels of Von Willebrand Factor”. Universidad Y Salud 21 (3). San Juan de Pasto, CO:277-87. https://doi.org/10.22267/rus.192103.165.