Active immunisation against diphtheria : to the editor of the Lancet / [R.A. O'Brien].
- O'Brien, Richard Alfred, 1878-1970.
- Date:
- 1925?]
Licence: In copyright
Credit: Active immunisation against diphtheria : to the editor of the Lancet / [R.A. O'Brien]. Source: Wellcome Collection.
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