The value of Douglas's medium for the production of diphtheria toxin / by Percival Hartley.

  • Hartley, Percival Horton-Smith, Sir, 1867-
Date:
[1922?]

Licence: In copyright

Credit: The value of Douglas's medium for the production of diphtheria toxin / by Percival Hartley. Source: Wellcome Collection.

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