The examinations of stomach contents, which were inaugurated forty years ago by Kussmaul and later by Ewald, Leube, Boas, Riegel and others, have now been generally introduced into the clinical investigation of digestive disturbances.
The rôle which the stomach and its secretion play in the digestive process has formerly been estimated a great deal higher than at present. At first it was determined that human beings could exist very comfortably without any gastric juice at all (as proved by the numerous cases of achylia gastrica); then it was proven by the surgeons (Schlatter) that the stomach could be excised in toto without fatal consequences.
By physiologists as well as by clinicians the principal work of the stomach is now considered to be rather a preparatory process for the real digestion in the
EINHORN M. EXPERIENCES WITH THE DUODENAL CONTENTS. JAMA. 1910;55(1):6–9. doi:10.1001/jama.1910.04330010008003
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