Results 1 - 2 of 2 for von Willebrand Factor OR "Vonicog alfa"
  1. Partial Thromboplastin Time (PTT) Test: MedlinePlus Medical Test 
    ... disorder, such as hemophilia or von Willebrand disease. Von Willebrand disease is the ... factors. Vitamin K deficiency. Vitamin K plays an important ...
    https://medlineplus.gov/.../partial-thromboplastin-time-ptt-test - Medical Tests
  2. Platelet Tests: MedlinePlus Medical Test 
    ... the cause is unknown. Inherited platelet disorders include: Von Willebrand disease, a genetic disorder that reduces the production ...
    https://medlineplus.gov/lab-tests/platelet-tests - Medical Tests