In copyright
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Credit
Tratamiento de cualquier estado de dolor y de espasmo ... Baralgina : Dominación de infeccciones bacterianas : Reverin, el antibiótico universal de amplio espectro para la terapia parenteral / Hoechst A.G. ; representantes: Farmaceutica Hoechst Mexicana, S.A. In copyright. Source: Wellcome Collection.