Penicilina-C.S.C. : Cristalina sal sodica / CSC, Commercial Solvents Corporation ; representantes: Agencias Consolidadas Americanas, S.A.

Licence: In copyright

Credit: Penicilina-C.S.C. : Cristalina sal sodica / CSC, Commercial Solvents Corporation ; representantes: Agencias Consolidadas Americanas, S.A. Source: Wellcome Collection.