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This book is a collection of charts and drawings about the vitamins. The publishers explain that, by the visual instruction method employed in this book, "long-winded definitions" are replaced by pictures, so that every one now can visualize difficult reading matter. Some of the illustrations are of interest, especially the maps of the world, which show in a greatly simplified form the geographic distribution of vitamin A deficiency, beriberi, scurvy, rickets and pellagra. But on the whole the material gives one the impression of being far removed from the laboratory, clinic or kitchen. Chemical structures can be written in books or on blackboards but they do not tell how a process is carried out in the laboratory. Simplified growth curves without ordinates or abscissas may illustrate the failure of guinea pigs to grow on a vitamin C deficient diet, but the curves obviously do not tell enough. The drawings are
A B C of the Vitamins: A Survey in Charts. JAMA. 1938;111(27):2513. doi:10.1001/jama.1938.02790530067030