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Credit
The bacillus tuberculosis and the etiology of tuberculosis : is consumption contagious? : second communication, read, by invitation, before the Philadelphia County Medical Society, November 14, 1883 / by H.F. Formad. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.