On vaccination : its value and alleged dangers : a prize essay / by Edward Ballard.
- Ballard, Edward, 1820-1897.
- Date:
- 1868
Licence: Public Domain Mark
Credit: On vaccination : its value and alleged dangers : a prize essay / by Edward Ballard. Source: Wellcome Collection.
Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.
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