The control of diphtheria and scarlet fever / by R.A. O'Brien.
- O'Brien, Richard Alfred, 1878-1970.
- Date:
- [1928?]
Licence: In copyright
Credit: The control of diphtheria and scarlet fever / by R.A. O'Brien. Source: Wellcome Collection.
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Licence: In copyright
Credit: The control of diphtheria and scarlet fever / by R.A. O'Brien. Source: Wellcome Collection.