Leading Biology's von Willebrand factor (VWF) Rabbit pAb (APR19941N) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Immunohistochemistry, and Western Blot. The von Willebrand factor (VWF) Rabbit pAb (APR19941N) Antibody was generated using von Willebrand factor, and VWF as the antigen and it reacts with Human, and Rat.