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Constipation and Allied Intestinal Disorders.

JAMA. 1910;LIV(17):1391-1392. doi:10.1001/jama.1910.02550430043014.
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This monograph is a full consideration of the subject, but includes a great deal of original research by the author, the preliminary account of which gained him the Radcliffe Prize at Oxford University. He has devoted three years to research on the physiology and pathology of movements of the alimentary canal. These studies have been made by observing with the aid of the x-ray the movement of test-meals made visible by the admixture of bismuth salts. The book contains many diagrams illustrating the results of such examinations.

The scope of the book will be comprehended when it is stated that about 40 pages are devoted to the physiology of intestinal movements and of defecation; more than 100 pages to causes of constipation; 100 to symptoms and 80 to treatment.

In recent years many have believed that antiperistalsis occurs, but Hertz has failed to see any evidence of it in


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