References
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This work was sponsored by the “Deutsche Forschungsgemeinschaft” and the “Fonds der Chemischen Industrie”. The authors thank the Lilli Laboratories, Giessen, for providing samples of cephalosporins. A. M. Wahbi thanks the “Alexander von Humboldt-Stiftung” for the award of a grant.
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Wahbi, A.M., Unterhalt, B. Spectrophotometric determination of some cephalosporins. Z. Anal. Chem. 284, 128 (1977). https://doi.org/10.1007/BF00447349
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DOI: https://doi.org/10.1007/BF00447349