Digestion and dyspepsia : a complete explanation of the physiology of the digestive processes, with the symptoms and treatment of dyspepsia and other disorders of the digestive organs / by R.T. Trall.

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Digestion and dyspepsia : a complete explanation of the physiology of the digestive processes, with the symptoms and treatment of dyspepsia and other disorders of the digestive organs / by R.T. Trall. Public Domain Mark. Source: Wellcome Collection.