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The Mechanics of the Digestive Tract. An Introduction to Gastro-Enterology.

JAMA. 1928;91(6):420. doi:10.1001/jama.1928.02700060054037.
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In 1922 we were privileged to examine the first edition of this book. Like other good and useful books, it promptly disappeared. The present edition is even better and of greater interest and usefulness to the physiologist and the gastro-enterologist; for the volume not only contains the basis of the author's conception of the gradient hypothesis of gastro-intestinal movements, but also a comprehensive and critical compilation of our knowledge of gastro-intestinal motility. Alvarez has virtually incorporated the material contained in Cannon's "Mechanical Factors in Digestion," as though informed that this classic would never be revised. The medical world generally is greatly indebted to the author for this laborious task. Many readers will probably conclude that the author in his enthusiasm has presented the evidence for the myogenic origin of gastro-intestinal activity a little too much from the point of view of a lawyer. However, the book contains a fund of


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