Abstract
THE determination of prothrombin in blood plasma acquired especial importance after the discovery1 of vitamin K, which is known to play a certain part in the formation of prothrombin. During my researches on the normal and pathological variations of prothrombin I have found the concentration of prothrombin in pregnant women to be remarkably high, a condition not formerly known.
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References
Dam, H., Biochem. J., 29, No. 6, 1273 (1935).
Thordarson, O., Nordisk Medicin, No. 3 (1940).
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THORDARSON, O. Hyperprothrombinæmia During Pregnancy. Nature 145, 305 (1940). https://doi.org/10.1038/145305a0
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DOI: https://doi.org/10.1038/145305a0
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