Observations on the typhus, or low contagious fever. And on the means of preventing the production and communication of this disease / By D. Campbell, M.D.
- Campbell, D. (David) M.D.
- Date:
- MDCCLXXXV
Licence: Public Domain Mark
Credit: Observations on the typhus, or low contagious fever. And on the means of preventing the production and communication of this disease / By D. Campbell, M.D. Source: Wellcome Collection.
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