这个词是什么意思？
Semisynthetic derivative of erythromycin. It is concentrated by human phagocytes and is bioactive intracellularly. While the drug is active against a wide spectrum of pathogens, it is particularly effective in the treatment of respiratory and genital tract infections.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D015575 · MeSH 2026。
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