Crowther M, Ageno W, Schnurr T, Manfredi E, Kinnon K, Garcia D, Douketis J. Oral vitamin K produces a normal INR within 24 hours of its administration in most patients discontinuing warfarin. Haematologica [Internet]. 2005Jan.1 [cited 2026Nov.12];90(1):137-9. Available from: https://haematologica.org/article/view/3332