{"title":"Preparation of doubly 13C-labelled benzylpenicillin as internal standard for residue analytical use with GC/MS and LC/MS","authors":"J. Schlösser, A. Mehlich, Frank Ballwanz, M. Petz","doi":"10.1007/S002160050748","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":12375,"journal":{"name":"Fresenius' Journal of Analytical Chemistry","volume":"22 1","pages":"498-501"},"PeriodicalIF":0.0000,"publicationDate":"1998-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fresenius' Journal of Analytical Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/S002160050748","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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