The return to nature; or, a defence of the vegetable regimen. With some account of an experiment made during the last three or four years in the author's family / By John Frank Newton, esq.

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The return to nature; or, a defence of the vegetable regimen. With some account of an experiment made during the last three or four years in the author's family / By John Frank Newton, esq. Public Domain Mark. Source: Wellcome Collection.