这个词是什么意思？
A family of bacteria found in the mouth and intestinal and respiratory tracts of man and other animals as well as in the human female urogenital tract. Its organisms are also found in soil and on cereal grains.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D010459 · MeSH 2026。
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