Ptomaïns, leucomaïns, toxins and antitoxins, or, The chemical factors in the causation of disease / by Victor C. Vaughan and Frederick G. Novy.

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Ptomaïns, leucomaïns, toxins and antitoxins, or, The chemical factors in the causation of disease / by Victor C. Vaughan and Frederick G. Novy. Public Domain Mark. Source: Wellcome Collection.