Four Papers on the Chemical Nature of Vitamin K.

by Edward A. S. A. Thayer Doisy, D. W.

$1,750 · Offered by Biblioctopus

First edition

1939–1941. First Edition. Doisy received the Nobel Prize in Physiology or Medicine in 1943 for determining the chemical nature of vitamin K, the fat-soluble compound whose absence from the diet produces uncontrolled hemorrhage by impairing the blood's ability to clot. The vitamin had been identified as a distinct nutritional factor by Henrik Dam in 1935, but its chemical identity remained unknown until Doisy's laboratory at Saint Louis University

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