M. B. LEVIN, M.D.; S. RAFFEL, Sc.D.
Until we arrive at a stage where foods may be concentrated and sufficiently predigested to allow of administration to human beings in very small quantities, studies of digestion will continue to be of extreme importance. Protein digestion is the outstanding function of the stomach, but the uncertainty and incompleteness of our knowledge concerning gastric function are attested to by the variety and multiplicity of tests for evaluating gastric digestion. These are familiar to everyone interested in gastrointestinal function, and do not need reiteration.
Some years ago, it became apparent to the senior author that the usual clinical methods of evaluating
LEVIN MB, RAFFEL S. GASTRIC DIGESTION: A SIMPLE VISUAL TEST, AND IN VITRO STUDIES(A SIMPLE VISUAL TEST, AND IN VITRO STUDIES*). Ann Intern Med. 1935;8:865–874. doi: 10.7326/0003-4819-8-7-865
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Published: Ann Intern Med. 1935;8(7):865-874.
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