单词：sputa
sputa的用法和样例：
例句
- Of the 126 exacerbation sputa, all samples were negative for M. pneumoniae and C. pneumoniae DNA, whereas one sample was positive for Legionella non-pneumophila DNA.结果发现稳定患者和急性加剧患者痰液标本的非典型呼吸道病原体之间比较并无明显的统计学差异。
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