Experiments and observations on the gastric juice, and the physiology of digestion / by William Beaumont ; Facsim. of the original ed. of 1833 together with a biographical essay A pioneer American physiologist, by Sir William Osler.

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Experiments and observations on the gastric juice, and the physiology of digestion / by William Beaumont ; Facsim. of the original ed. of 1833 together with a biographical essay A pioneer American physiologist, by Sir William Osler. Public Domain Mark. Source: Wellcome Collection.