'Anti-Bi-San' tablets : 3 days' treatment affords 3 months' protection against influenza and colds.

Date:
[between 1930 and 1939?]
Catalogue details

Licence: In copyright

Credit: 'Anti-Bi-San' tablets : 3 days' treatment affords 3 months' protection against influenza and colds. Source: Wellcome Collection.

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