The virulence testing of the diphtheria bacillus and its practical application / by C.c. Okell and H.J. Parish.

  • Okell, C. C. (Charles Cyril), 1888-1939.
Date:
[1926?]

Licence: In copyright

Credit: The virulence testing of the diphtheria bacillus and its practical application / by C.c. Okell and H.J. Parish. Source: Wellcome Collection.

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