1796, Erasmus Darwin, Zoonomia, Volume II: Classes of Diseases, IV: Diseases of Association, Ordo III: Retrograde Associate Motions, Genus II: Catenated with sensitive motions, The perpetual vomiting in ileus is caused in like manner by the defective excitement of the sensorial power of association by the bowel, which is torpid during the intervals of pain; and the stomach sympathizes with it.
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