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Title: Chromatographs of Semi-synthetic penicillin, 1957-1958. [Go to resource]
Description: chromatogram showing the presence of 6-aminopenicillanic acid, 1958 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: chromatographs Temporal: 1958 Source: Science Museum Creator: Beecham Research Laboratories Ltd Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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