Abstract
Summary
1. The bleeding tendency in cases of obstructive jaundice and biliary fistula is due to a prothrombin deficiency. 2. With restoration of bile to the intestine the prothrombin gradually returns to normal and the bleeding ceases. 3. Feeding of alfalfa extract, rich in Vitamin K, in addition to bile, causes a more rapid return of the prothrombin to normal.
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