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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