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The speed of new developments in this field is well brought out by the changes in this book since the first edition, only four years ago. Entirely new vitamins have been discovered; chemical formulas then unknown are now definitively described, and symptoms and signs of deficiencies previously vague are now clearly presented. The writers have obtained a happy combination of clinical and laboratory material, with excellent bibliographies. As matters stand at present the book seems a thorough and up-to-date summary.
The Avitaminoses.. Arch Intern Med (Chic). 1941;68(4):850. doi:10.1001/archinte.1941.00200100189018
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