Why Does Blood Group O Reduce VWF? - The Fritsma Factor

Jul 6 2026

George Fritsma

Dr. Abdul Mannan’s LinkedIn post, “Why Does Blood Group O Reduce VWF?” presents the physiology of VWF in blood group O.

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George Fritsma is a medical laboratory scientist, educator, and author. George is a member of the International Society on Thrombosis and Hemostasis, the International Society for Laboratory Hematology, and the American Society for Clinical Laboratory Science.

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