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“The stomach is a half-gallon sac, with an outer wall of muscle lined within by mucous membrane, made largely of gastric glands of which there are more than a million. These glands, each consisting of a tube with several branches, give out daily three quarts of gastric juice to dissolve the lean meat and other like foods.” —Davison, 1910


Alvin Davison, Health Lessons (New York: American Book Company, 1910) 50


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