Trulfa "Frosst" : una preparación de sulfatiazol, sulfadiazina y sulfamerazina / Charles E. Frosst & Co. ; distribuidores para Cuba: Distribuidora Cubana.

In copyright

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Credit

Trulfa "Frosst" : una preparación de sulfatiazol, sulfadiazina y sulfamerazina / Charles E. Frosst & Co. ; distribuidores para Cuba: Distribuidora Cubana. In copyright. Source: Wellcome Collection.