这个词是什么意思？
A semisynthetic cephamycin antibiotic that is administered intravenously or intramuscularly. The drug is highly resistant to a broad spectrum of beta-lactamases and is active against a wide range of both aerobic and anaerobic gram-positive and gram-negative microorganisms.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D015313 · MeSH 2026。
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