Novocaina >T< : Omnacilina y Omnamicina ... / Hoechst A.G. ; representantes: Farmaceutica Hoechst Mexicana, S.A.

Licence: In copyright

Credit: Novocaina >T< : Omnacilina y Omnamicina ... / Hoechst A.G. ; representantes: Farmaceutica Hoechst Mexicana, S.A. Source: Wellcome Collection.