After injection with infected sputum, the mice are kept in separate cages labeled with the name of the patient.
Digital Commonwealth — Boston Public Library

After injection with infected sputum, the mice are kept in separate cages labeled with the name of the patient.

[ca. February 1938–February 1939]

CC0 — Public Domain
Digital Commonwealth — Boston Public Library

[Information from item housing] Laboratories: Misc. Photos

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