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Action of carbon dioxide on 6-aminopencillanic acid.
BATCHELOR FR, GAZZARD D, NAYLER JH. BATCHELOR FR, et al. Among authors: gazzard d. Nature. 1961 Aug 26;191:910-1. doi: 10.1038/191910a0. Nature. 1961. PMID: 13687720 No abstract available.