A lecture on the connexion and reciprocal influence between the brain and stomach : delivered before the American Institute of Instruction, at Providence, 1840 / by Usher Parsons.

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A lecture on the connexion and reciprocal influence between the brain and stomach : delivered before the American Institute of Instruction, at Providence, 1840 / by Usher Parsons. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)