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E. Ashworth Underwood, 'Diphtheria: present difficulties and future possibilities'
- Date:
- May 1934
- Reference:
- PP/GMG/F/4/10
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: E. Ashworth Underwood, 'Diphtheria: present difficulties and future possibilities'. Source: Wellcome Collection.
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