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November 8, 1941

Das Vitamin K und seine klinische Bedeutung

Author Affiliations

Von Dr. Fritz Koller, Privatdozent für innere Medizin an der Universität Zürich. Mit einem Geleitwort von Professor Dr. W. Löffler. Boards. Price, 6.75 marks. Pp. 151, with 15 illustrations. Leipzig: Georg Thieme, 1941.

JAMA. 1941;117(19):1657-1658. doi:10.1001/jama.1941.02820450081033

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The author, a Swiss, is associate professor of internal medicine at the University of Zurich. He has worked in the field of clinical vitamin K investigation since the role of vitamin K in cholemic bleeding tendency became known, and he was the first to describe vitamin K deficiency in adult patients with sprue. Koller's book gives an excellent description of all clinical aspects of vitamin K and also a good explanation of its biology and chemistry. The main object is the critical examination of all the problems which develop in the clinical and pathologic fields more than a detailed account of its recent history. To this purpose the author applies his own clinical material. Methods and means are described in an unusually clear way. One will scarcely find a more efficient account of the use and interpretation of Quick's prothrombin time method than that given by Koller. The vitamin K

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