Of the nerves which associate the muscles of the chest, in the actions of breathing, speaking, and expression. Being a continuation of the paper on the structure and functions of the nerves / [Sir Charles Bell].

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Of the nerves which associate the muscles of the chest, in the actions of breathing, speaking, and expression. Being a continuation of the paper on the structure and functions of the nerves / [Sir Charles Bell]. Public Domain Mark. Source: Wellcome Collection.