Half a century of small-pox and vaccination : being the Milroy lectures delivered before the Royal College of Physicians of London on March 13th, 18th and 20th, 1919 / by John C. McVail.
- John McVail
- Date:
- [1919?]
Licence: In copyright
Credit: Half a century of small-pox and vaccination : being the Milroy lectures delivered before the Royal College of Physicians of London on March 13th, 18th and 20th, 1919 / by John C. McVail. Source: Wellcome Collection.
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