这个词是什么意思？
A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009582 · MeSH 2026。
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