Book Reviews
February 1942

Vitamia K en pediatria.

Author Affiliations

By Juan P. Garrahan, Gualterio F. Thomas and Alfredo Larguía. Pp. 102, with 16 illustrations. Buenos Aires, Argentina: El Ateneo, 1942.

Am J Dis Child. 1942;63(2):424. doi:10.1001/archpedi.1942.02010020209021

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The authors present a recapitulation of the chemistry and physiology of vitamin K in particular relation to hemorrhagic disease of the newborn. In their own studies they found that 47, or 11.9 per cent, of 395 newborn infants had pathologic hypothrombinemia; 20, or 42.55 per cent, of these had hemorrhagic disturbances. The Kato method of prothrombin estimation was used in the studies that gave these rather remarkable results.

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