Abstract
Summary
The rate of disintegration of the plasma prothrombin in preserved blood stored aseptically at 5° was studied by the quantitative prothrombin method of Warner, Brinkhous and Smith.
The prothrombin values were found to decrease very gradually, reaching the 50% level at the end of about 3 weeks.
No difference in the rate of disintegration was found between blood stored in sodium citrate and that stored in a citrate-dextrose mixture.
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